20989962

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55529}}^1$

素因数の和:55547

約数の個数: 32

約数和(自身を含む): 53308800

約数和(自身を除く): 32318838

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55529, 111058, 166587, 333174, 388703, 499761, 777406, 999522, 1166109, 1499283, 2332218, 2998566, 3498327, 6996654, 10494981, 20989962]

約数ペア:

[(1, 20989962), (2, 10494981), (3, 6996654), (6, 3498327), (7, 2998566), (9, 2332218), (14, 1499283), (18, 1166109), (21, 999522), (27, 777406), (42, 499761), (54, 388703), (63, 333174), (126, 166587), (189, 111058), (378, 55529)]