20123493392

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{116639}}^1$

素因数の和:116951

約数の個数: 40

約数和(自身を含む): 40092433920

約数和(自身を除く): 19968940528

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 263, 328, 526, 656, 1052, 2104, 4208, 10783, 21566, 43132, 86264, 116639, 172528, 233278, 466556, 933112, 1866224, 4782199, 9564398, 19128796, 30676057, 38257592, 61352114, 76515184, 122704228, 245408456, 490816912, 1257718337, 2515436674, 5030873348, 10061746696, 20123493392]

約数ペア:

[(1, 20123493392), (2, 10061746696), (4, 5030873348), (8, 2515436674), (16, 1257718337), (41, 490816912), (82, 245408456), (164, 122704228), (263, 76515184), (328, 61352114), (526, 38257592), (656, 30676057), (1052, 19128796), (2104, 9564398), (4208, 4782199), (10783, 1866224), (21566, 933112), (43132, 466556), (86264, 233278), (116639, 172528)]