20921878549

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{67021}}^1$

素因数の和:67141

約数の個数: 32

約数和(自身を含む): 25672106880

約数和(自身を除く): 4750228331

約数列:

[1, 11, 13, 37, 59, 143, 407, 481, 649, 767, 2183, 5291, 8437, 24013, 28379, 67021, 312169, 737231, 871273, 2479777, 3954239, 9584003, 27277547, 32237101, 43496629, 51405107, 146306843, 354608111, 565456177, 1609375273, 1901988959, 20921878549]

約数ペア:

[(1, 20921878549), (11, 1901988959), (13, 1609375273), (37, 565456177), (59, 354608111), (143, 146306843), (407, 51405107), (481, 43496629), (649, 32237101), (767, 27277547), (2183, 9584003), (5291, 3954239), (8437, 2479777), (24013, 871273), (28379, 737231), (67021, 312169)]