20188124

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:866

約数の個数: 36

約数和(自身を含む): 39615912

約数和(自身を除く): 19427788

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 121, 212, 242, 484, 583, 787, 1166, 1574, 2332, 3148, 6413, 8657, 12826, 17314, 25652, 34628, 41711, 83422, 95227, 166844, 190454, 380908, 458821, 917642, 1835284, 5047031, 10094062, 20188124]

約数ペア:

[(1, 20188124), (2, 10094062), (4, 5047031), (11, 1835284), (22, 917642), (44, 458821), (53, 380908), (106, 190454), (121, 166844), (212, 95227), (242, 83422), (484, 41711), (583, 34628), (787, 25652), (1166, 17314), (1574, 12826), (2332, 8657), (3148, 6413)]