20131027072

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{54251}}^1$

素因数の和:54501

約数の個数: 64

約数和(自身を含む): 43384239360

約数和(自身を除く): 23253212288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 223, 416, 446, 832, 892, 1664, 1784, 2899, 3568, 5798, 7136, 11596, 14272, 23192, 28544, 46384, 54251, 92768, 108502, 185536, 217004, 371072, 434008, 705263, 868016, 1410526, 1736032, 2821052, 3472064, 5642104, 6944128, 11284208, 12097973, 22568416, 24195946, 45136832, 48391892, 90273664, 96783784, 157273649, 193567568, 314547298, 387135136, 629094596, 774270272, 1258189192, 1548540544, 2516378384, 5032756768, 10065513536, 20131027072]

約数ペア:

[(1, 20131027072), (2, 10065513536), (4, 5032756768), (8, 2516378384), (13, 1548540544), (16, 1258189192), (26, 774270272), (32, 629094596), (52, 387135136), (64, 314547298), (104, 193567568), (128, 157273649), (208, 96783784), (223, 90273664), (416, 48391892), (446, 45136832), (832, 24195946), (892, 22568416), (1664, 12097973), (1784, 11284208), (2899, 6944128), (3568, 5642104), (5798, 3472064), (7136, 2821052), (11596, 1736032), (14272, 1410526), (23192, 868016), (28544, 705263), (46384, 434008), (54251, 371072), (92768, 217004), (108502, 185536)]