20974804908

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{6637}}^1\times {\mathrm{4969}}^1$

素因数の和:11666

約数の個数: 48

約数和(自身を含む): 49882180320

約数和(自身を除く): 28907375412

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 4969, 6637, 9938, 13274, 14907, 19876, 19911, 26548, 29814, 39822, 59628, 79644, 263357, 351761, 526714, 703522, 790071, 1053428, 1055283, 1407044, 1580142, 2110566, 3160284, 4221132, 32979253, 65958506, 98937759, 131917012, 197875518, 395751036, 1747900409, 3495800818, 5243701227, 6991601636, 10487402454, 20974804908]

約数ペア:

[(1, 20974804908), (2, 10487402454), (3, 6991601636), (4, 5243701227), (6, 3495800818), (12, 1747900409), (53, 395751036), (106, 197875518), (159, 131917012), (212, 98937759), (318, 65958506), (636, 32979253), (4969, 4221132), (6637, 3160284), (9938, 2110566), (13274, 1580142), (14907, 1407044), (19876, 1055283), (19911, 1053428), (26548, 790071), (29814, 703522), (39822, 526714), (59628, 351761), (79644, 263357)]