20201457328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1367921}}^1$

素因数の和:1368013

約数の個数: 40

約数和(自身を含む): 42744826656

約数和(自身を除く): 22543369328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 7384, 14768, 1367921, 2735842, 5471684, 10943368, 17782973, 21886736, 35565946, 71131892, 97122391, 142263784, 194244782, 284527568, 388489564, 776979128, 1262591083, 1553958256, 2525182166, 5050364332, 10100728664, 20201457328]

約数ペア:

[(1, 20201457328), (2, 10100728664), (4, 5050364332), (8, 2525182166), (13, 1553958256), (16, 1262591083), (26, 776979128), (52, 388489564), (71, 284527568), (104, 194244782), (142, 142263784), (208, 97122391), (284, 71131892), (568, 35565946), (923, 21886736), (1136, 17782973), (1846, 10943368), (3692, 5471684), (7384, 2735842), (14768, 1367921)]