20958804

素因数分解:

$2^2\times 3^3\times {\mathrm{47}}^1\times {\mathrm{4129}}^1$

素因数の和:4189

約数の個数: 48

約数和(自身を含む): 55507200

約数和(自身を除く): 34548396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 94, 108, 141, 188, 282, 423, 564, 846, 1269, 1692, 2538, 4129, 5076, 8258, 12387, 16516, 24774, 37161, 49548, 74322, 111483, 148644, 194063, 222966, 388126, 445932, 582189, 776252, 1164378, 1746567, 2328756, 3493134, 5239701, 6986268, 10479402, 20958804]

約数ペア:

[(1, 20958804), (2, 10479402), (3, 6986268), (4, 5239701), (6, 3493134), (9, 2328756), (12, 1746567), (18, 1164378), (27, 776252), (36, 582189), (47, 445932), (54, 388126), (94, 222966), (108, 194063), (141, 148644), (188, 111483), (282, 74322), (423, 49548), (564, 37161), (846, 24774), (1269, 16516), (1692, 12387), (2538, 8258), (4129, 5076)]