20457777704

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28101343}}^1$

素因数の和:28101369

約数の個数: 32

約数和(自身を含む): 47210257920

約数和(自身を除く): 26752480216

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 28101343, 56202686, 112405372, 196709401, 224810744, 365317459, 393418802, 730634918, 786837604, 1461269836, 1573675208, 2557222213, 2922539672, 5114444426, 10228888852, 20457777704]

約数ペア:

[(1, 20457777704), (2, 10228888852), (4, 5114444426), (7, 2922539672), (8, 2557222213), (13, 1573675208), (14, 1461269836), (26, 786837604), (28, 730634918), (52, 393418802), (56, 365317459), (91, 224810744), (104, 196709401), (182, 112405372), (364, 56202686), (728, 28101343)]