20131267196

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{561761}}^1$

素因数の和:561830

約数の個数: 36

約数和(自身を含む): 38631249216

約数和(自身を除く): 18499982020

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 289, 527, 578, 1054, 1156, 2108, 8959, 17918, 35836, 561761, 1123522, 2247044, 9549937, 17414591, 19099874, 34829182, 38199748, 69658364, 162348929, 296048047, 324697858, 592096094, 649395716, 1184192188, 5032816799, 10065633598, 20131267196]

約数ペア:

[(1, 20131267196), (2, 10065633598), (4, 5032816799), (17, 1184192188), (31, 649395716), (34, 592096094), (62, 324697858), (68, 296048047), (124, 162348929), (289, 69658364), (527, 38199748), (578, 34829182), (1054, 19099874), (1156, 17414591), (2108, 9549937), (8959, 2247044), (17918, 1123522), (35836, 561761)]