20566845

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11719}}^1$

素因数の和:11746

約数の個数: 32

約数和(自身を含む): 39379200

約数和(自身を除く): 18812355

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11719, 35157, 58595, 105471, 152347, 175785, 316413, 457041, 527355, 761735, 1371123, 1582065, 2285205, 4113369, 6855615, 20566845]

約数ペア:

[(1, 20566845), (3, 6855615), (5, 4113369), (9, 2285205), (13, 1582065), (15, 1371123), (27, 761735), (39, 527355), (45, 457041), (65, 316413), (117, 175785), (135, 152347), (195, 105471), (351, 58595), (585, 35157), (1755, 11719)]