20851566390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1\times {\mathrm{10037}}^1$

素因数の和:10654

約数の個数: 96

約数和(自身を含む): 55640553696

約数和(自身を除く): 34788987306

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 41, 45, 82, 90, 123, 205, 246, 369, 410, 563, 615, 738, 1126, 1230, 1689, 1845, 2815, 3378, 3690, 5067, 5630, 8445, 10037, 10134, 16890, 20074, 23083, 25335, 30111, 46166, 50185, 50670, 60222, 69249, 90333, 100370, 115415, 138498, 150555, 180666, 207747, 230830, 301110, 346245, 411517, 415494, 451665, 692490, 823034, 903330, 1038735, 1234551, 2057585, 2077470, 2469102, 3703653, 4115170, 5650831, 6172755, 7407306, 11301662, 12345510, 16952493, 18518265, 28254155, 33904986, 37036530, 50857479, 56508310, 84762465, 101714958, 169524930, 231684071, 254287395, 463368142, 508574790, 695052213, 1158420355, 1390104426, 2085156639, 2316840710, 3475261065, 4170313278, 6950522130, 10425783195, 20851566390]

約数ペア:

[(1, 20851566390), (2, 10425783195), (3, 6950522130), (5, 4170313278), (6, 3475261065), (9, 2316840710), (10, 2085156639), (15, 1390104426), (18, 1158420355), (30, 695052213), (41, 508574790), (45, 463368142), (82, 254287395), (90, 231684071), (123, 169524930), (205, 101714958), (246, 84762465), (369, 56508310), (410, 50857479), (563, 37036530), (615, 33904986), (738, 28254155), (1126, 18518265), (1230, 16952493), (1689, 12345510), (1845, 11301662), (2815, 7407306), (3378, 6172755), (3690, 5650831), (5067, 4115170), (5630, 3703653), (8445, 2469102), (10037, 2077470), (10134, 2057585), (16890, 1234551), (20074, 1038735), (23083, 903330), (25335, 823034), (30111, 692490), (46166, 451665), (50185, 415494), (50670, 411517), (60222, 346245), (69249, 301110), (90333, 230830), (100370, 207747), (115415, 180666), (138498, 150555)]