20009040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{317}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 62460288

約数和(自身を除く): 42451248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 263, 317, 526, 634, 789, 951, 1052, 1268, 1315, 1578, 1585, 1902, 2104, 2536, 2630, 3156, 3170, 3804, 3945, 4208, 4755, 5072, 5260, 6312, 6340, 7608, 7890, 9510, 10520, 12624, 12680, 15216, 15780, 19020, 21040, 25360, 31560, 38040, 63120, 76080, 83371, 166742, 250113, 333484, 416855, 500226, 666968, 833710, 1000452, 1250565, 1333936, 1667420, 2000904, 2501130, 3334840, 4001808, 5002260, 6669680, 10004520, 20009040]

約数ペア:

[(1, 20009040), (2, 10004520), (3, 6669680), (4, 5002260), (5, 4001808), (6, 3334840), (8, 2501130), (10, 2000904), (12, 1667420), (15, 1333936), (16, 1250565), (20, 1000452), (24, 833710), (30, 666968), (40, 500226), (48, 416855), (60, 333484), (80, 250113), (120, 166742), (240, 83371), (263, 76080), (317, 63120), (526, 38040), (634, 31560), (789, 25360), (951, 21040), (1052, 19020), (1268, 15780), (1315, 15216), (1578, 12680), (1585, 12624), (1902, 10520), (2104, 9510), (2536, 7890), (2630, 7608), (3156, 6340), (3170, 6312), (3804, 5260), (3945, 5072), (4208, 4755)]