20372988

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 28688388

約数列:

[1, 2, 3, 4, 6, 12, 53, 103, 106, 159, 206, 212, 309, 311, 318, 412, 618, 622, 636, 933, 1236, 1244, 1866, 3732, 5459, 10918, 16377, 16483, 21836, 32033, 32754, 32966, 49449, 64066, 65508, 65932, 96099, 98898, 128132, 192198, 197796, 384396, 1697749, 3395498, 5093247, 6790996, 10186494, 20372988]

約数ペア:

[(1, 20372988), (2, 10186494), (3, 6790996), (4, 5093247), (6, 3395498), (12, 1697749), (53, 384396), (103, 197796), (106, 192198), (159, 128132), (206, 98898), (212, 96099), (309, 65932), (311, 65508), (318, 64066), (412, 49449), (618, 32966), (622, 32754), (636, 32033), (933, 21836), (1236, 16483), (1244, 16377), (1866, 10918), (3732, 5459)]