20188310401

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1\times {\mathrm{983}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 23735213568

約数和(自身を除く): 3546903167

約数列:

[1, 7, 53, 197, 281, 371, 983, 1379, 1967, 6881, 10441, 14893, 52099, 55357, 73087, 104251, 193651, 276223, 364693, 387499, 1355557, 1933561, 2933921, 10263503, 14639819, 20537447, 54415931, 71844521, 102478733, 380911517, 2884044343, 20188310401]

約数ペア:

[(1, 20188310401), (7, 2884044343), (53, 380911517), (197, 102478733), (281, 71844521), (371, 54415931), (983, 20537447), (1379, 14639819), (1967, 10263503), (6881, 2933921), (10441, 1933561), (14893, 1355557), (52099, 387499), (55357, 364693), (73087, 276223), (104251, 193651)]