20007878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 35274528

約数和(自身を除く): 15266650

約数列:

[1, 2, 11, 17, 22, 34, 61, 122, 187, 374, 671, 877, 1037, 1342, 1754, 2074, 9647, 11407, 14909, 19294, 22814, 29818, 53497, 106994, 163999, 327998, 588467, 909449, 1176934, 1818898, 10003939, 20007878]

約数ペア:

[(1, 20007878), (2, 10003939), (11, 1818898), (17, 1176934), (22, 909449), (34, 588467), (61, 327998), (122, 163999), (187, 106994), (374, 53497), (671, 29818), (877, 22814), (1037, 19294), (1342, 14909), (1754, 11407), (2074, 9647)]