20438858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 36052992

約数和(自身を除く): 15614134

約数列:

[1, 2, 11, 22, 23, 31, 46, 62, 253, 341, 506, 682, 713, 1303, 1426, 2606, 7843, 14333, 15686, 28666, 29969, 40393, 59938, 80786, 329659, 444323, 659318, 888646, 929039, 1858078, 10219429, 20438858]

約数ペア:

[(1, 20438858), (2, 10219429), (11, 1858078), (22, 929039), (23, 888646), (31, 659318), (46, 444323), (62, 329659), (253, 80786), (341, 59938), (506, 40393), (682, 29969), (713, 28666), (1303, 15686), (1426, 14333), (2606, 7843)]