22815220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18701}}^1$

素因数の和:18771

約数の個数: 24

約数和(自身を含む): 48700008

約数和(自身を除く): 25884788

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 18701, 37402, 74804, 93505, 187010, 374020, 1140761, 2281522, 4563044, 5703805, 11407610, 22815220]

約数ペア:

[(1, 22815220), (2, 11407610), (4, 5703805), (5, 4563044), (10, 2281522), (20, 1140761), (61, 374020), (122, 187010), (244, 93505), (305, 74804), (610, 37402), (1220, 18701)]