20807785476

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1048991}}^1$

素因数の和:1049049

約数の個数: 72

約数和(自身を含む): 57274963200

約数和(自身を除く): 36467177724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1102, 1653, 2204, 3306, 4959, 6612, 9918, 19836, 1048991, 2097982, 3146973, 4195964, 6293946, 9440919, 12587892, 18881838, 19930829, 30420739, 37763676, 39861658, 59792487, 60841478, 79723316, 91262217, 119584974, 121682956, 179377461, 182524434, 239169948, 273786651, 358754922, 365048868, 547573302, 577994041, 717509844, 1095146604, 1155988082, 1733982123, 2311976164, 3467964246, 5201946369, 6935928492, 10403892738, 20807785476]

約数ペア:

[(1, 20807785476), (2, 10403892738), (3, 6935928492), (4, 5201946369), (6, 3467964246), (9, 2311976164), (12, 1733982123), (18, 1155988082), (19, 1095146604), (29, 717509844), (36, 577994041), (38, 547573302), (57, 365048868), (58, 358754922), (76, 273786651), (87, 239169948), (114, 182524434), (116, 179377461), (171, 121682956), (174, 119584974), (228, 91262217), (261, 79723316), (342, 60841478), (348, 59792487), (522, 39861658), (551, 37763676), (684, 30420739), (1044, 19930829), (1102, 18881838), (1653, 12587892), (2204, 9440919), (3306, 6293946), (4959, 4195964), (6612, 3146973), (9918, 2097982), (19836, 1048991)]