20034840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 256

約数和(自身を含む): 77137920

約数和(自身を除く): 57103080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 23, 24, 28, 30, 34, 35, 40, 42, 46, 51, 56, 60, 61, 68, 69, 70, 84, 85, 92, 102, 105, 115, 119, 120, 122, 136, 138, 140, 161, 168, 170, 183, 184, 204, 210, 230, 238, 244, 255, 276, 280, 305, 322, 340, 345, 357, 366, 391, 408, 420, 427, 460, 476, 483, 488, 510, 552, 595, 610, 644, 680, 690, 714, 732, 782, 805, 840, 854, 915, 920, 952, 966, 1020, 1037, 1173, 1190, 1220, 1281, 1288, 1380, 1403, 1428, 1464, 1564, 1610, 1708, 1785, 1830, 1932, 1955, 2040, 2074, 2135, 2346, 2380, 2415, 2440, 2562, 2737, 2760, 2806, 2856, 3111, 3128, 3220, 3416, 3570, 3660, 3864, 3910, 4148, 4209, 4270, 4692, 4760, 4830, 5124, 5185, 5474, 5612, 5865, 6222, 6405, 6440, 7015, 7140, 7259, 7320, 7820, 8211, 8296, 8418, 8540, 9384, 9660, 9821, 10248, 10370, 10948, 11224, 11730, 12444, 12810, 13685, 14030, 14280, 14518, 15555, 15640, 16422, 16836, 17080, 19320, 19642, 20740, 21045, 21777, 21896, 23460, 23851, 24888, 25620, 27370, 28060, 29036, 29463, 31110, 32844, 33672, 36295, 39284, 41055, 41480, 42090, 43554, 46920, 47702, 49105, 51240, 54740, 56120, 58072, 58926, 62220, 65688, 71553, 72590, 78568, 82110, 84180, 87108, 95404, 98210, 108885, 109480, 117852, 119255, 124440, 143106, 145180, 147315, 164220, 166957, 168360, 174216, 190808, 196420, 217770, 235704, 238510, 286212, 290360, 294630, 328440, 333914, 357765, 392840, 435540, 477020, 500871, 572424, 589260, 667828, 715530, 834785, 871080, 954040, 1001742, 1178520, 1335656, 1431060, 1669570, 2003484, 2504355, 2862120, 3339140, 4006968, 5008710, 6678280, 10017420, 20034840]

約数ペア:

[(1, 20034840), (2, 10017420), (3, 6678280), (4, 5008710), (5, 4006968), (6, 3339140), (7, 2862120), (8, 2504355), (10, 2003484), (12, 1669570), (14, 1431060), (15, 1335656), (17, 1178520), (20, 1001742), (21, 954040), (23, 871080), (24, 834785), (28, 715530), (30, 667828), (34, 589260), (35, 572424), (40, 500871), (42, 477020), (46, 435540), (51, 392840), (56, 357765), (60, 333914), (61, 328440), (68, 294630), (69, 290360), (70, 286212), (84, 238510), (85, 235704), (92, 217770), (102, 196420), (105, 190808), (115, 174216), (119, 168360), (120, 166957), (122, 164220), (136, 147315), (138, 145180), (140, 143106), (161, 124440), (168, 119255), (170, 117852), (183, 109480), (184, 108885), (204, 98210), (210, 95404), (230, 87108), (238, 84180), (244, 82110), (255, 78568), (276, 72590), (280, 71553), (305, 65688), (322, 62220), (340, 58926), (345, 58072), (357, 56120), (366, 54740), (391, 51240), (408, 49105), (420, 47702), (427, 46920), (460, 43554), (476, 42090), (483, 41480), (488, 41055), (510, 39284), (552, 36295), (595, 33672), (610, 32844), (644, 31110), (680, 29463), (690, 29036), (714, 28060), (732, 27370), (782, 25620), (805, 24888), (840, 23851), (854, 23460), (915, 21896), (920, 21777), (952, 21045), (966, 20740), (1020, 19642), (1037, 19320), (1173, 17080), (1190, 16836), (1220, 16422), (1281, 15640), (1288, 15555), (1380, 14518), (1403, 14280), (1428, 14030), (1464, 13685), (1564, 12810), (1610, 12444), (1708, 11730), (1785, 11224), (1830, 10948), (1932, 10370), (1955, 10248), (2040, 9821), (2074, 9660), (2135, 9384), (2346, 8540), (2380, 8418), (2415, 8296), (2440, 8211), (2562, 7820), (2737, 7320), (2760, 7259), (2806, 7140), (2856, 7015), (3111, 6440), (3128, 6405), (3220, 6222), (3416, 5865), (3570, 5612), (3660, 5474), (3864, 5185), (3910, 5124), (4148, 4830), (4209, 4760), (4270, 4692)]