20466480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1609}}^1$

素因数の和:1678

約数の個数: 80

約数和(自身を含む): 64683360

約数和(自身を除く): 44216880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 1609, 2120, 2544, 3180, 3218, 4240, 4827, 6360, 6436, 8045, 9654, 12720, 12872, 16090, 19308, 24135, 25744, 32180, 38616, 48270, 64360, 77232, 85277, 96540, 128720, 170554, 193080, 255831, 341108, 386160, 426385, 511662, 682216, 852770, 1023324, 1279155, 1364432, 1705540, 2046648, 2558310, 3411080, 4093296, 5116620, 6822160, 10233240, 20466480]

約数ペア:

[(1, 20466480), (2, 10233240), (3, 6822160), (4, 5116620), (5, 4093296), (6, 3411080), (8, 2558310), (10, 2046648), (12, 1705540), (15, 1364432), (16, 1279155), (20, 1023324), (24, 852770), (30, 682216), (40, 511662), (48, 426385), (53, 386160), (60, 341108), (80, 255831), (106, 193080), (120, 170554), (159, 128720), (212, 96540), (240, 85277), (265, 77232), (318, 64360), (424, 48270), (530, 38616), (636, 32180), (795, 25744), (848, 24135), (1060, 19308), (1272, 16090), (1590, 12872), (1609, 12720), (2120, 9654), (2544, 8045), (3180, 6436), (3218, 6360), (4240, 4827)]