20463240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1433}}^1$

素因数の和:1471

約数の個数: 128

約数和(自身を含む): 74338560

約数和(自身を除く): 53875320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1433, 1785, 2040, 2380, 2856, 2866, 3570, 4299, 4760, 5732, 7140, 7165, 8598, 10031, 11464, 14280, 14330, 17196, 20062, 21495, 24361, 28660, 30093, 34392, 40124, 42990, 48722, 50155, 57320, 60186, 73083, 80248, 85980, 97444, 100310, 120372, 121805, 146166, 150465, 170527, 171960, 194888, 200620, 240744, 243610, 292332, 300930, 341054, 365415, 401240, 487220, 511581, 584664, 601860, 682108, 730830, 852635, 974440, 1023162, 1203720, 1364216, 1461660, 1705270, 2046324, 2557905, 2923320, 3410540, 4092648, 5115810, 6821080, 10231620, 20463240]

約数ペア:

[(1, 20463240), (2, 10231620), (3, 6821080), (4, 5115810), (5, 4092648), (6, 3410540), (7, 2923320), (8, 2557905), (10, 2046324), (12, 1705270), (14, 1461660), (15, 1364216), (17, 1203720), (20, 1023162), (21, 974440), (24, 852635), (28, 730830), (30, 682108), (34, 601860), (35, 584664), (40, 511581), (42, 487220), (51, 401240), (56, 365415), (60, 341054), (68, 300930), (70, 292332), (84, 243610), (85, 240744), (102, 200620), (105, 194888), (119, 171960), (120, 170527), (136, 150465), (140, 146166), (168, 121805), (170, 120372), (204, 100310), (210, 97444), (238, 85980), (255, 80248), (280, 73083), (340, 60186), (357, 57320), (408, 50155), (420, 48722), (476, 42990), (510, 40124), (595, 34392), (680, 30093), (714, 28660), (840, 24361), (952, 21495), (1020, 20062), (1190, 17196), (1428, 14330), (1433, 14280), (1785, 11464), (2040, 10031), (2380, 8598), (2856, 7165), (2866, 7140), (3570, 5732), (4299, 4760)]