20123774951

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{11177}}^1$

素因数の和:11471

約数の個数: 32

約数和(自身を含む): 24569422848

約数和(自身を除く): 4445647897

約数列:

[1, 7, 23, 53, 161, 211, 371, 1219, 1477, 4853, 8533, 11177, 11183, 33971, 78239, 78281, 257071, 257209, 592381, 1799497, 1800463, 2358347, 4146667, 13624763, 16508429, 54241981, 95373341, 124992391, 379693867, 874946737, 2874824993, 20123774951]

約数ペア:

[(1, 20123774951), (7, 2874824993), (23, 874946737), (53, 379693867), (161, 124992391), (211, 95373341), (371, 54241981), (1219, 16508429), (1477, 13624763), (4853, 4146667), (8533, 2358347), (11177, 1800463), (11183, 1799497), (33971, 592381), (78239, 257209), (78281, 257071)]