20512874576

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{1291}}^1\times {\mathrm{43177}}^1$

素因数の和:44499

約数の個数: 40

約数和(自身を含む): 41504766144

約数和(自身を除く): 20991891568

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 1291, 2582, 5164, 10328, 20656, 29693, 43177, 59386, 86354, 118772, 172708, 237544, 345416, 475088, 690832, 993071, 1986142, 3972284, 7944568, 15889136, 55741507, 111483014, 222966028, 445932056, 891864112, 1282054661, 2564109322, 5128218644, 10256437288, 20512874576]

約数ペア:

[(1, 20512874576), (2, 10256437288), (4, 5128218644), (8, 2564109322), (16, 1282054661), (23, 891864112), (46, 445932056), (92, 222966028), (184, 111483014), (368, 55741507), (1291, 15889136), (2582, 7944568), (5164, 3972284), (10328, 1986142), (20656, 993071), (29693, 690832), (43177, 475088), (59386, 345416), (86354, 237544), (118772, 172708)]