20558734

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1303}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 37555200

約数和(自身を除く): 16996466

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 343, 686, 1127, 1303, 2254, 2606, 7889, 9121, 15778, 18242, 29969, 59938, 63847, 127694, 209783, 419566, 446929, 893858, 1468481, 2936962, 10279367, 20558734]

約数ペア:

[(1, 20558734), (2, 10279367), (7, 2936962), (14, 1468481), (23, 893858), (46, 446929), (49, 419566), (98, 209783), (161, 127694), (322, 63847), (343, 59938), (686, 29969), (1127, 18242), (1303, 15778), (2254, 9121), (2606, 7889)]