20856552632

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{2129}}^1\times {\mathrm{13759}}^1$

素因数の和:15983

約数の個数: 32

約数和(自身を含む): 39566880000

約数和(自身を除く): 18710327368

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 2129, 4258, 8516, 13759, 17032, 27518, 55036, 110072, 189481, 378962, 757924, 1224551, 1515848, 2449102, 4898204, 9796408, 29292911, 58585822, 117171644, 234343288, 2607069079, 5214138158, 10428276316, 20856552632]

約数ペア:

[(1, 20856552632), (2, 10428276316), (4, 5214138158), (8, 2607069079), (89, 234343288), (178, 117171644), (356, 58585822), (712, 29292911), (2129, 9796408), (4258, 4898204), (8516, 2449102), (13759, 1515848), (17032, 1224551), (27518, 757924), (55036, 378962), (110072, 189481)]