20731692020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3251}}^1\times {\mathrm{24527}}^1$

素因数の和:27800

約数の個数: 48

約数和(自身を含む): 46901852928

約数和(自身を除く): 26170160908

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3251, 6502, 13004, 16255, 24527, 32510, 42263, 49054, 65020, 84526, 98108, 122635, 169052, 211315, 245270, 318851, 422630, 490540, 637702, 845260, 1275404, 1594255, 3188510, 6377020, 79737277, 159474554, 318949108, 398686385, 797372770, 1036584601, 1594745540, 2073169202, 4146338404, 5182923005, 10365846010, 20731692020]

約数ペア:

[(1, 20731692020), (2, 10365846010), (4, 5182923005), (5, 4146338404), (10, 2073169202), (13, 1594745540), (20, 1036584601), (26, 797372770), (52, 398686385), (65, 318949108), (130, 159474554), (260, 79737277), (3251, 6377020), (6502, 3188510), (13004, 1594255), (16255, 1275404), (24527, 845260), (32510, 637702), (42263, 490540), (49054, 422630), (65020, 318851), (84526, 245270), (98108, 211315), (122635, 169052)]