20139830768

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{399473}}^1$

素因数の和:399641

約数の個数: 40

約数和(自身を含む): 41014794528

約数和(自身を除く): 20874963760

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 137, 184, 274, 368, 548, 1096, 2192, 3151, 6302, 12604, 25208, 50416, 399473, 798946, 1597892, 3195784, 6391568, 9187879, 18375758, 36751516, 54727801, 73503032, 109455602, 147006064, 218911204, 437822408, 875644816, 1258739423, 2517478846, 5034957692, 10069915384, 20139830768]

約数ペア:

[(1, 20139830768), (2, 10069915384), (4, 5034957692), (8, 2517478846), (16, 1258739423), (23, 875644816), (46, 437822408), (92, 218911204), (137, 147006064), (184, 109455602), (274, 73503032), (368, 54727801), (548, 36751516), (1096, 18375758), (2192, 9187879), (3151, 6391568), (6302, 3195784), (12604, 1597892), (25208, 798946), (50416, 399473)]