20105997906

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{661}}^1\times {\mathrm{971}}^1$

素因数の和:1887

約数の個数: 64

約数和(自身を含む): 42252420096

約数和(自身を除く): 22146422190

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 227, 454, 661, 681, 971, 1322, 1362, 1942, 1983, 2913, 3966, 5221, 5826, 10442, 15203, 15663, 22333, 30406, 31326, 44666, 45609, 66999, 91218, 133998, 150047, 220417, 300094, 440834, 450141, 641831, 661251, 900282, 1283662, 1322502, 1925493, 3451081, 3850986, 5069591, 6902162, 10139182, 10353243, 14762113, 15208773, 20706486, 29524226, 30417546, 44286339, 88572678, 145695637, 291391274, 437086911, 874173822, 3350999651, 6701999302, 10052998953, 20105997906]

約数ペア:

[(1, 20105997906), (2, 10052998953), (3, 6701999302), (6, 3350999651), (23, 874173822), (46, 437086911), (69, 291391274), (138, 145695637), (227, 88572678), (454, 44286339), (661, 30417546), (681, 29524226), (971, 20706486), (1322, 15208773), (1362, 14762113), (1942, 10353243), (1983, 10139182), (2913, 6902162), (3966, 5069591), (5221, 3850986), (5826, 3451081), (10442, 1925493), (15203, 1322502), (15663, 1283662), (22333, 900282), (30406, 661251), (31326, 641831), (44666, 450141), (45609, 440834), (66999, 300094), (91218, 220417), (133998, 150047)]