20698600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 54684000

約数和(自身を除く): 33985400

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 130, 152, 190, 200, 247, 260, 325, 380, 419, 475, 494, 520, 650, 760, 838, 950, 988, 1235, 1300, 1676, 1900, 1976, 2095, 2470, 2600, 3352, 3800, 4190, 4940, 5447, 6175, 7961, 8380, 9880, 10475, 10894, 12350, 15922, 16760, 20950, 21788, 24700, 27235, 31844, 39805, 41900, 43576, 49400, 54470, 63688, 79610, 83800, 103493, 108940, 136175, 159220, 199025, 206986, 217880, 272350, 318440, 398050, 413972, 517465, 544700, 796100, 827944, 1034930, 1089400, 1592200, 2069860, 2587325, 4139720, 5174650, 10349300, 20698600]

約数ペア:

[(1, 20698600), (2, 10349300), (4, 5174650), (5, 4139720), (8, 2587325), (10, 2069860), (13, 1592200), (19, 1089400), (20, 1034930), (25, 827944), (26, 796100), (38, 544700), (40, 517465), (50, 413972), (52, 398050), (65, 318440), (76, 272350), (95, 217880), (100, 206986), (104, 199025), (130, 159220), (152, 136175), (190, 108940), (200, 103493), (247, 83800), (260, 79610), (325, 63688), (380, 54470), (419, 49400), (475, 43576), (494, 41900), (520, 39805), (650, 31844), (760, 27235), (838, 24700), (950, 21788), (988, 20950), (1235, 16760), (1300, 15922), (1676, 12350), (1900, 10894), (1976, 10475), (2095, 9880), (2470, 8380), (2600, 7961), (3352, 6175), (3800, 5447), (4190, 4940)]