20580451528

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28269851}}^1$

素因数の和:28269877

約数の個数: 32

約数和(自身を含む): 47493351360

約数和(自身を除く): 26912899832

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28269851, 56539702, 113079404, 197888957, 226158808, 367508063, 395777914, 735016126, 791555828, 1470032252, 1583111656, 2572556441, 2940064504, 5145112882, 10290225764, 20580451528]

約数ペア:

[(1, 20580451528), (2, 10290225764), (4, 5145112882), (7, 2940064504), (8, 2572556441), (13, 1583111656), (14, 1470032252), (26, 791555828), (28, 735016126), (52, 395777914), (56, 367508063), (91, 226158808), (104, 197888957), (182, 113079404), (364, 56539702), (728, 28269851)]