20214960688

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7475947}}^1$

素因数の和:7475981

約数の個数: 30

約数和(自身を含む): 42411053004

約数和(自身を除く): 22196092316

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7475947, 14951894, 29903788, 59807576, 97187311, 119615152, 194374622, 388749244, 777498488, 1263435043, 1554996976, 2526870086, 5053740172, 10107480344, 20214960688]

約数ペア:

[(1, 20214960688), (2, 10107480344), (4, 5053740172), (8, 2526870086), (13, 1554996976), (16, 1263435043), (26, 777498488), (52, 388749244), (104, 194374622), (169, 119615152), (208, 97187311), (338, 59807576), (676, 29903788), (1352, 14951894), (2704, 7475947)]