20519503696

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{239}}^1\times {\mathrm{27803}}^1$

素因数の和:28243

約数の個数: 40

約数和(自身を含む): 40131181440

約数和(自身を除く): 19611677744

約数列:

[1, 2, 4, 8, 16, 193, 239, 386, 478, 772, 956, 1544, 1912, 3088, 3824, 27803, 46127, 55606, 92254, 111212, 184508, 222424, 369016, 444848, 738032, 5365979, 6644917, 10731958, 13289834, 21463916, 26579668, 42927832, 53159336, 85855664, 106318672, 1282468981, 2564937962, 5129875924, 10259751848, 20519503696]

約数ペア:

[(1, 20519503696), (2, 10259751848), (4, 5129875924), (8, 2564937962), (16, 1282468981), (193, 106318672), (239, 85855664), (386, 53159336), (478, 42927832), (772, 26579668), (956, 21463916), (1544, 13289834), (1912, 10731958), (3088, 6644917), (3824, 5365979), (27803, 738032), (46127, 444848), (55606, 369016), (92254, 222424), (111212, 184508)]