20372037

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 32024832

約数和(自身を除く): 11652795

約数列:

[1, 3, 7, 21, 73, 97, 137, 219, 291, 411, 511, 679, 959, 1533, 2037, 2877, 7081, 10001, 13289, 21243, 30003, 39867, 49567, 70007, 93023, 148701, 210021, 279069, 970097, 2910291, 6790679, 20372037]

約数ペア:

[(1, 20372037), (3, 6790679), (7, 2910291), (21, 970097), (73, 279069), (97, 210021), (137, 148701), (219, 93023), (291, 70007), (411, 49567), (511, 39867), (679, 30003), (959, 21243), (1533, 13289), (2037, 10001), (2877, 7081)]