20808280848

素因数分解:

$2^4\times 3^1\times {\mathrm{1663}}^1\times {\mathrm{260677}}^1$

素因数の和:262351

約数の個数: 40

約数和(自身を含む): 53787255808

約数和(自身を除く): 32978974960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1663, 3326, 4989, 6652, 9978, 13304, 19956, 26608, 39912, 79824, 260677, 521354, 782031, 1042708, 1564062, 2085416, 3128124, 4170832, 6256248, 12512496, 433505851, 867011702, 1300517553, 1734023404, 2601035106, 3468046808, 5202070212, 6936093616, 10404140424, 20808280848]

約数ペア:

[(1, 20808280848), (2, 10404140424), (3, 6936093616), (4, 5202070212), (6, 3468046808), (8, 2601035106), (12, 1734023404), (16, 1300517553), (24, 867011702), (48, 433505851), (1663, 12512496), (3326, 6256248), (4989, 4170832), (6652, 3128124), (9978, 2085416), (13304, 1564062), (19956, 1042708), (26608, 782031), (39912, 521354), (79824, 260677)]