20961202912

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2963971}}^1$

素因数の和:2964011

約数の個数: 48

約数和(自身を含む): 47056019472

約数和(自身を除く): 26094816560

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 3536, 7072, 2963971, 5927942, 11855884, 23711768, 38531623, 47423536, 50387507, 77063246, 94847072, 100775014, 154126492, 201550028, 308252984, 403100056, 616505968, 655037591, 806200112, 1233011936, 1310075182, 1612400224, 2620150364, 5240300728, 10480601456, 20961202912]

約数ペア:

[(1, 20961202912), (2, 10480601456), (4, 5240300728), (8, 2620150364), (13, 1612400224), (16, 1310075182), (17, 1233011936), (26, 806200112), (32, 655037591), (34, 616505968), (52, 403100056), (68, 308252984), (104, 201550028), (136, 154126492), (208, 100775014), (221, 94847072), (272, 77063246), (416, 50387507), (442, 47423536), (544, 38531623), (884, 23711768), (1768, 11855884), (3536, 5927942), (7072, 2963971)]