20178707954

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1\times {\mathrm{513427}}^1$

素因数の和:513929

約数の個数: 16

約数和(自身を含む): 31039803168

約数和(自身を除く): 10861095214

約数列:

[1, 2, 43, 86, 457, 914, 19651, 39302, 513427, 1026854, 22077361, 44154722, 234636139, 469272278, 10089353977, 20178707954]

約数ペア:

[(1, 20178707954), (2, 10089353977), (43, 469272278), (86, 234636139), (457, 44154722), (914, 22077361), (19651, 1026854), (39302, 513427)]