20151756

素因数分解:

$2^2\times 3^2\times {\mathrm{389}}^1\times {\mathrm{1439}}^1$

素因数の和:1838

約数の個数: 36

約数和(自身を含む): 51105600

約数和(自身を除く): 30953844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 389, 778, 1167, 1439, 1556, 2334, 2878, 3501, 4317, 4668, 5756, 7002, 8634, 12951, 14004, 17268, 25902, 51804, 559771, 1119542, 1679313, 2239084, 3358626, 5037939, 6717252, 10075878, 20151756]

約数ペア:

[(1, 20151756), (2, 10075878), (3, 6717252), (4, 5037939), (6, 3358626), (9, 2239084), (12, 1679313), (18, 1119542), (36, 559771), (389, 51804), (778, 25902), (1167, 17268), (1439, 14004), (1556, 12951), (2334, 8634), (2878, 7002), (3501, 5756), (4317, 4668)]