20081225476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1\times {\mathrm{9767}}^1$

素因数の和:11884

約数の個数: 48

約数和(自身を含む): 39860472960

約数和(自身を除く): 19779247484

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 2081, 4162, 8324, 9767, 19534, 27053, 39068, 39539, 54106, 79078, 108212, 126971, 158156, 185573, 253942, 371146, 507884, 514007, 742292, 1028014, 2056028, 2412449, 4824898, 9649796, 20325127, 40650254, 81300508, 264226651, 386177413, 528453302, 772354826, 1056906604, 1544709652, 5020306369, 10040612738, 20081225476]

約数ペア:

[(1, 20081225476), (2, 10040612738), (4, 5020306369), (13, 1544709652), (19, 1056906604), (26, 772354826), (38, 528453302), (52, 386177413), (76, 264226651), (247, 81300508), (494, 40650254), (988, 20325127), (2081, 9649796), (4162, 4824898), (8324, 2412449), (9767, 2056028), (19534, 1028014), (27053, 742292), (39068, 514007), (39539, 507884), (54106, 371146), (79078, 253942), (108212, 185573), (126971, 158156)]