20470380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 192

約数和(自身を含む): 71995392

約数和(自身を除く): 51525012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 47, 51, 60, 61, 68, 70, 84, 85, 94, 102, 105, 119, 122, 140, 141, 170, 183, 188, 204, 210, 235, 238, 244, 255, 282, 305, 329, 340, 357, 366, 420, 427, 470, 476, 510, 564, 595, 610, 658, 705, 714, 732, 799, 854, 915, 940, 987, 1020, 1037, 1190, 1220, 1281, 1316, 1410, 1428, 1598, 1645, 1708, 1785, 1830, 1974, 2074, 2135, 2380, 2397, 2562, 2820, 2867, 3111, 3196, 3290, 3570, 3660, 3948, 3995, 4148, 4270, 4794, 4935, 5124, 5185, 5593, 5734, 6222, 6405, 6580, 7140, 7259, 7990, 8540, 8601, 9588, 9870, 10370, 11186, 11468, 11985, 12444, 12810, 14335, 14518, 15555, 15980, 16779, 17202, 19740, 20069, 20740, 21777, 22372, 23970, 25620, 27965, 28670, 29036, 31110, 33558, 34404, 36295, 40138, 43005, 43554, 47940, 48739, 55930, 57340, 60207, 62220, 67116, 72590, 80276, 83895, 86010, 87108, 97478, 100345, 108885, 111860, 120414, 145180, 146217, 167790, 172020, 194956, 200690, 217770, 240828, 243695, 292434, 301035, 335580, 341173, 401380, 435540, 487390, 584868, 602070, 682346, 731085, 974780, 1023519, 1204140, 1364692, 1462170, 1705865, 2047038, 2924340, 3411730, 4094076, 5117595, 6823460, 10235190, 20470380]

約数ペア:

[(1, 20470380), (2, 10235190), (3, 6823460), (4, 5117595), (5, 4094076), (6, 3411730), (7, 2924340), (10, 2047038), (12, 1705865), (14, 1462170), (15, 1364692), (17, 1204140), (20, 1023519), (21, 974780), (28, 731085), (30, 682346), (34, 602070), (35, 584868), (42, 487390), (47, 435540), (51, 401380), (60, 341173), (61, 335580), (68, 301035), (70, 292434), (84, 243695), (85, 240828), (94, 217770), (102, 200690), (105, 194956), (119, 172020), (122, 167790), (140, 146217), (141, 145180), (170, 120414), (183, 111860), (188, 108885), (204, 100345), (210, 97478), (235, 87108), (238, 86010), (244, 83895), (255, 80276), (282, 72590), (305, 67116), (329, 62220), (340, 60207), (357, 57340), (366, 55930), (420, 48739), (427, 47940), (470, 43554), (476, 43005), (510, 40138), (564, 36295), (595, 34404), (610, 33558), (658, 31110), (705, 29036), (714, 28670), (732, 27965), (799, 25620), (854, 23970), (915, 22372), (940, 21777), (987, 20740), (1020, 20069), (1037, 19740), (1190, 17202), (1220, 16779), (1281, 15980), (1316, 15555), (1410, 14518), (1428, 14335), (1598, 12810), (1645, 12444), (1708, 11985), (1785, 11468), (1830, 11186), (1974, 10370), (2074, 9870), (2135, 9588), (2380, 8601), (2397, 8540), (2562, 7990), (2820, 7259), (2867, 7140), (3111, 6580), (3196, 6405), (3290, 6222), (3570, 5734), (3660, 5593), (3948, 5185), (3995, 5124), (4148, 4935), (4270, 4794)]