20515673816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{1907}}^1\times {\mathrm{122251}}^1$

素因数の和:124175

約数の個数: 32

約数和(自身を含む): 41986226880

約数和(自身を除く): 21470553064

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 1907, 3814, 7628, 15256, 20977, 41954, 83908, 122251, 167816, 244502, 489004, 978008, 1344761, 2689522, 5379044, 10758088, 233132657, 466265314, 932530628, 1865061256, 2564459227, 5128918454, 10257836908, 20515673816]

約数ペア:

[(1, 20515673816), (2, 10257836908), (4, 5128918454), (8, 2564459227), (11, 1865061256), (22, 932530628), (44, 466265314), (88, 233132657), (1907, 10758088), (3814, 5379044), (7628, 2689522), (15256, 1344761), (20977, 978008), (41954, 489004), (83908, 244502), (122251, 167816)]