13821380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11329}}^1$

素因数の和:11399

約数の個数: 24

約数和(自身を含む): 29503320

約数和(自身を除く): 15681940

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 11329, 22658, 45316, 56645, 113290, 226580, 691069, 1382138, 2764276, 3455345, 6910690, 13821380]

約数ペア:

[(1, 13821380), (2, 6910690), (4, 3455345), (5, 2764276), (10, 1382138), (20, 691069), (61, 226580), (122, 113290), (244, 56645), (305, 45316), (610, 22658), (1220, 11329)]