20357766

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{719}}^1$

素因数の和:762

約数の個数: 72

約数和(自身を含む): 52284960

約数和(自身を除く): 31927194

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 121, 143, 198, 234, 242, 286, 363, 429, 719, 726, 858, 1089, 1287, 1438, 1573, 2157, 2178, 2574, 3146, 4314, 4719, 6471, 7909, 9347, 9438, 12942, 14157, 15818, 18694, 23727, 28041, 28314, 47454, 56082, 71181, 84123, 86999, 102817, 142362, 168246, 173998, 205634, 260997, 308451, 521994, 616902, 782991, 925353, 1130987, 1565982, 1850706, 2261974, 3392961, 6785922, 10178883, 20357766]

約数ペア:

[(1, 20357766), (2, 10178883), (3, 6785922), (6, 3392961), (9, 2261974), (11, 1850706), (13, 1565982), (18, 1130987), (22, 925353), (26, 782991), (33, 616902), (39, 521994), (66, 308451), (78, 260997), (99, 205634), (117, 173998), (121, 168246), (143, 142362), (198, 102817), (234, 86999), (242, 84123), (286, 71181), (363, 56082), (429, 47454), (719, 28314), (726, 28041), (858, 23727), (1089, 18694), (1287, 15818), (1438, 14157), (1573, 12942), (2157, 9438), (2178, 9347), (2574, 7909), (3146, 6471), (4314, 4719)]