20548460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16843}}^1$

素因数の和:16913

約数の個数: 24

約数和(自身を含む): 43861776

約数和(自身を除く): 23313316

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16843, 33686, 67372, 84215, 168430, 336860, 1027423, 2054846, 4109692, 5137115, 10274230, 20548460]

約数ペア:

[(1, 20548460), (2, 10274230), (4, 5137115), (5, 4109692), (10, 2054846), (20, 1027423), (61, 336860), (122, 168430), (244, 84215), (305, 67372), (610, 33686), (1220, 16843)]