20187880940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{587}}^1\times {\mathrm{41941}}^1$

素因数の和:42578

約数の個数: 48

約数和(自身を含む): 43503584544

約数和(自身を除く): 23315703604

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 587, 820, 1174, 2348, 2935, 5870, 11740, 24067, 41941, 48134, 83882, 96268, 120335, 167764, 209705, 240670, 419410, 481340, 838820, 1719581, 3439162, 6878324, 8597905, 17195810, 24619367, 34391620, 49238734, 98477468, 123096835, 246193670, 492387340, 1009394047, 2018788094, 4037576188, 5046970235, 10093940470, 20187880940]

約数ペア:

[(1, 20187880940), (2, 10093940470), (4, 5046970235), (5, 4037576188), (10, 2018788094), (20, 1009394047), (41, 492387340), (82, 246193670), (164, 123096835), (205, 98477468), (410, 49238734), (587, 34391620), (820, 24619367), (1174, 17195810), (2348, 8597905), (2935, 6878324), (5870, 3439162), (11740, 1719581), (24067, 838820), (41941, 481340), (48134, 419410), (83882, 240670), (96268, 209705), (120335, 167764)]