20519100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{3257}}^1$

素因数の和:3284

約数の個数: 108

約数和(自身を含む): 73526544

約数和(自身を除く): 53007444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 3257, 6300, 6514, 9771, 13028, 16285, 19542, 22799, 29313, 32570, 39084, 45598, 48855, 58626, 65140, 68397, 81425, 91196, 97710, 113995, 117252, 136794, 146565, 162850, 195420, 205191, 227990, 244275, 273588, 293130, 325700, 341985, 410382, 455980, 488550, 569975, 586260, 683970, 732825, 820764, 977100, 1025955, 1139950, 1367940, 1465650, 1709925, 2051910, 2279900, 2931300, 3419850, 4103820, 5129775, 6839700, 10259550, 20519100]

約数ペア:

[(1, 20519100), (2, 10259550), (3, 6839700), (4, 5129775), (5, 4103820), (6, 3419850), (7, 2931300), (9, 2279900), (10, 2051910), (12, 1709925), (14, 1465650), (15, 1367940), (18, 1139950), (20, 1025955), (21, 977100), (25, 820764), (28, 732825), (30, 683970), (35, 586260), (36, 569975), (42, 488550), (45, 455980), (50, 410382), (60, 341985), (63, 325700), (70, 293130), (75, 273588), (84, 244275), (90, 227990), (100, 205191), (105, 195420), (126, 162850), (140, 146565), (150, 136794), (175, 117252), (180, 113995), (210, 97710), (225, 91196), (252, 81425), (300, 68397), (315, 65140), (350, 58626), (420, 48855), (450, 45598), (525, 39084), (630, 32570), (700, 29313), (900, 22799), (1050, 19542), (1260, 16285), (1575, 13028), (2100, 9771), (3150, 6514), (3257, 6300)]