20128986

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{7309}}^1$

素因数の和:7340

約数の個数: 40

約数和(自身を含む): 47763540

約数和(自身を除く): 27634554

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 81, 102, 153, 162, 306, 459, 918, 1377, 2754, 7309, 14618, 21927, 43854, 65781, 124253, 131562, 197343, 248506, 372759, 394686, 592029, 745518, 1118277, 1184058, 2236554, 3354831, 6709662, 10064493, 20128986]

約数ペア:

[(1, 20128986), (2, 10064493), (3, 6709662), (6, 3354831), (9, 2236554), (17, 1184058), (18, 1118277), (27, 745518), (34, 592029), (51, 394686), (54, 372759), (81, 248506), (102, 197343), (153, 131562), (162, 124253), (306, 65781), (459, 43854), (918, 21927), (1377, 14618), (2754, 7309)]