20261901

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 30666240

約数和(自身を除く): 10404339

約数列:

[1, 3, 11, 33, 43, 109, 129, 131, 327, 393, 473, 1199, 1419, 1441, 3597, 4323, 4687, 5633, 14061, 14279, 16899, 42837, 51557, 61963, 154671, 157069, 185889, 471207, 613997, 1841991, 6753967, 20261901]

約数ペア:

[(1, 20261901), (3, 6753967), (11, 1841991), (33, 613997), (43, 471207), (109, 185889), (129, 157069), (131, 154671), (327, 61963), (393, 51557), (473, 42837), (1199, 16899), (1419, 14279), (1441, 14061), (3597, 5633), (4323, 4687)]