20215910402

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{17569}}^1$

素因数の和:17946

約数の個数: 32

約数和(自身を含む): 31885754880

約数和(自身を除く): 11669844478

約数列:

[1, 2, 31, 62, 67, 134, 277, 554, 2077, 4154, 8587, 17174, 17569, 18559, 35138, 37118, 544639, 575329, 1089278, 1150658, 1177123, 2354246, 4866613, 9733226, 36490813, 72981626, 150865003, 301730006, 326063071, 652126142, 10107955201, 20215910402]

約数ペア:

[(1, 20215910402), (2, 10107955201), (31, 652126142), (62, 326063071), (67, 301730006), (134, 150865003), (277, 72981626), (554, 36490813), (2077, 9733226), (4154, 4866613), (8587, 2354246), (17174, 1177123), (17569, 1150658), (18559, 1089278), (35138, 575329), (37118, 544639)]