20361360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1973}}^1$

素因数の和:2032

約数の個数: 80

約数和(自身を含む): 64620864

約数和(自身を除く): 44259504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 1973, 2064, 2580, 3440, 3946, 5160, 5919, 7892, 9865, 10320, 11838, 15784, 19730, 23676, 29595, 31568, 39460, 47352, 59190, 78920, 84839, 94704, 118380, 157840, 169678, 236760, 254517, 339356, 424195, 473520, 509034, 678712, 848390, 1018068, 1272585, 1357424, 1696780, 2036136, 2545170, 3393560, 4072272, 5090340, 6787120, 10180680, 20361360]

約数ペア:

[(1, 20361360), (2, 10180680), (3, 6787120), (4, 5090340), (5, 4072272), (6, 3393560), (8, 2545170), (10, 2036136), (12, 1696780), (15, 1357424), (16, 1272585), (20, 1018068), (24, 848390), (30, 678712), (40, 509034), (43, 473520), (48, 424195), (60, 339356), (80, 254517), (86, 236760), (120, 169678), (129, 157840), (172, 118380), (215, 94704), (240, 84839), (258, 78920), (344, 59190), (430, 47352), (516, 39460), (645, 31568), (688, 29595), (860, 23676), (1032, 19730), (1290, 15784), (1720, 11838), (1973, 10320), (2064, 9865), (2580, 7892), (3440, 5919), (3946, 5160)]