20446360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1499}}^1$

素因数の和:1552

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 31393640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1499, 1705, 2728, 2998, 3410, 5996, 6820, 7495, 11992, 13640, 14990, 16489, 29980, 32978, 46469, 59960, 65956, 82445, 92938, 131912, 164890, 185876, 232345, 329780, 371752, 464690, 511159, 659560, 929380, 1022318, 1858760, 2044636, 2555795, 4089272, 5111590, 10223180, 20446360]

約数ペア:

[(1, 20446360), (2, 10223180), (4, 5111590), (5, 4089272), (8, 2555795), (10, 2044636), (11, 1858760), (20, 1022318), (22, 929380), (31, 659560), (40, 511159), (44, 464690), (55, 371752), (62, 329780), (88, 232345), (110, 185876), (124, 164890), (155, 131912), (220, 92938), (248, 82445), (310, 65956), (341, 59960), (440, 46469), (620, 32978), (682, 29980), (1240, 16489), (1364, 14990), (1499, 13640), (1705, 11992), (2728, 7495), (2998, 6820), (3410, 5996)]