20199931890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1289}}^1\times {\mathrm{1447}}^1$

素因数の和:2784

約数の個数: 96

約数和(自身を含む): 51240781440

約数和(自身を除く): 31040849550

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 361, 570, 722, 1083, 1289, 1447, 1805, 2166, 2578, 2894, 3610, 3867, 4341, 5415, 6445, 7235, 7734, 8682, 10830, 12890, 14470, 19335, 21705, 24491, 27493, 38670, 43410, 48982, 54986, 73473, 82479, 122455, 137465, 146946, 164958, 244910, 274930, 367365, 412395, 465329, 522367, 734730, 824790, 930658, 1044734, 1395987, 1567101, 1865183, 2326645, 2611835, 2791974, 3134202, 3730366, 4653290, 5223670, 5595549, 6979935, 7835505, 9325915, 11191098, 13959870, 15671010, 18651830, 27977745, 35438477, 55955490, 70876954, 106315431, 177192385, 212630862, 354384770, 531577155, 673331063, 1063154310, 1346662126, 2019993189, 3366655315, 4039986378, 6733310630, 10099965945, 20199931890]

約数ペア:

[(1, 20199931890), (2, 10099965945), (3, 6733310630), (5, 4039986378), (6, 3366655315), (10, 2019993189), (15, 1346662126), (19, 1063154310), (30, 673331063), (38, 531577155), (57, 354384770), (95, 212630862), (114, 177192385), (190, 106315431), (285, 70876954), (361, 55955490), (570, 35438477), (722, 27977745), (1083, 18651830), (1289, 15671010), (1447, 13959870), (1805, 11191098), (2166, 9325915), (2578, 7835505), (2894, 6979935), (3610, 5595549), (3867, 5223670), (4341, 4653290), (5415, 3730366), (6445, 3134202), (7235, 2791974), (7734, 2611835), (8682, 2326645), (10830, 1865183), (12890, 1567101), (14470, 1395987), (19335, 1044734), (21705, 930658), (24491, 824790), (27493, 734730), (38670, 522367), (43410, 465329), (48982, 412395), (54986, 367365), (73473, 274930), (82479, 244910), (122455, 164958), (137465, 146946)]