20108998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{353}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 37348416

約数和(自身を除く): 17239418

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 313, 353, 626, 706, 2191, 2471, 4069, 4382, 4589, 4942, 8138, 9178, 28483, 32123, 56966, 64246, 110489, 220978, 773423, 1436357, 1546846, 2872714, 10054499, 20108998]

約数ペア:

[(1, 20108998), (2, 10054499), (7, 2872714), (13, 1546846), (14, 1436357), (26, 773423), (91, 220978), (182, 110489), (313, 64246), (353, 56966), (626, 32123), (706, 28483), (2191, 9178), (2471, 8138), (4069, 4942), (4382, 4589)]