20174980664

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{1493}}^1\times {\mathrm{18979}}^1$

素因数の和:20567

約数の個数: 32

約数和(自身を含む): 38280762000

約数和(自身を除く): 18105781336

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 1493, 2986, 5972, 11944, 18979, 37958, 75916, 132877, 151832, 265754, 531508, 1063016, 1689131, 3378262, 6756524, 13513048, 28335647, 56671294, 113342588, 226685176, 2521872583, 5043745166, 10087490332, 20174980664]

約数ペア:

[(1, 20174980664), (2, 10087490332), (4, 5043745166), (8, 2521872583), (89, 226685176), (178, 113342588), (356, 56671294), (712, 28335647), (1493, 13513048), (2986, 6756524), (5972, 3378262), (11944, 1689131), (18979, 1063016), (37958, 531508), (75916, 265754), (132877, 151832)]