20187075987

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{13619}}^1$

素因数の和:13785

約数の個数: 64

約数和(自身を含む): 33315609600

約数和(自身を除く): 13128533613

約数列:

[1, 3, 9, 13, 27, 39, 41, 103, 117, 123, 309, 351, 369, 533, 927, 1107, 1339, 1599, 2781, 4017, 4223, 4797, 12051, 12669, 13619, 14391, 36153, 38007, 40857, 54899, 114021, 122571, 164697, 177047, 367713, 494091, 531141, 558379, 1402757, 1482273, 1593423, 1675137, 4208271, 4780269, 5025411, 7258927, 12624813, 15076233, 18235841, 21776781, 37874439, 54707523, 57513037, 65330343, 164122569, 172539111, 195991029, 492367707, 517617333, 747669481, 1552851999, 2243008443, 6729025329, 20187075987]

約数ペア:

[(1, 20187075987), (3, 6729025329), (9, 2243008443), (13, 1552851999), (27, 747669481), (39, 517617333), (41, 492367707), (103, 195991029), (117, 172539111), (123, 164122569), (309, 65330343), (351, 57513037), (369, 54707523), (533, 37874439), (927, 21776781), (1107, 18235841), (1339, 15076233), (1599, 12624813), (2781, 7258927), (4017, 5025411), (4223, 4780269), (4797, 4208271), (12051, 1675137), (12669, 1593423), (13619, 1482273), (14391, 1402757), (36153, 558379), (38007, 531141), (40857, 494091), (54899, 367713), (114021, 177047), (122571, 164697)]