20850840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3407}}^1$

素因数の和:3441

約数の個数: 96

約数和(自身を含む): 71772480

約数和(自身を除く): 50921640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 3407, 6120, 6814, 10221, 13628, 17035, 20442, 27256, 30663, 34070, 40884, 51105, 57919, 61326, 68140, 81768, 102210, 115838, 122652, 136280, 153315, 173757, 204420, 231676, 245304, 289595, 306630, 347514, 408840, 463352, 521271, 579190, 613260, 695028, 868785, 1042542, 1158380, 1226520, 1390056, 1737570, 2085084, 2316760, 2606355, 3475140, 4170168, 5212710, 6950280, 10425420, 20850840]

約数ペア:

[(1, 20850840), (2, 10425420), (3, 6950280), (4, 5212710), (5, 4170168), (6, 3475140), (8, 2606355), (9, 2316760), (10, 2085084), (12, 1737570), (15, 1390056), (17, 1226520), (18, 1158380), (20, 1042542), (24, 868785), (30, 695028), (34, 613260), (36, 579190), (40, 521271), (45, 463352), (51, 408840), (60, 347514), (68, 306630), (72, 289595), (85, 245304), (90, 231676), (102, 204420), (120, 173757), (136, 153315), (153, 136280), (170, 122652), (180, 115838), (204, 102210), (255, 81768), (306, 68140), (340, 61326), (360, 57919), (408, 51105), (510, 40884), (612, 34070), (680, 30663), (765, 27256), (1020, 20442), (1224, 17035), (1530, 13628), (2040, 10221), (3060, 6814), (3407, 6120)]