20019608

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1237}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 45607920

約数和(自身を除く): 25588312

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 289, 476, 578, 952, 1156, 1237, 2023, 2312, 2474, 4046, 4948, 8092, 8659, 9896, 16184, 17318, 21029, 34636, 42058, 69272, 84116, 147203, 168232, 294406, 357493, 588812, 714986, 1177624, 1429972, 2502451, 2859944, 5004902, 10009804, 20019608]

約数ペア:

[(1, 20019608), (2, 10009804), (4, 5004902), (7, 2859944), (8, 2502451), (14, 1429972), (17, 1177624), (28, 714986), (34, 588812), (56, 357493), (68, 294406), (119, 168232), (136, 147203), (238, 84116), (289, 69272), (476, 42058), (578, 34636), (952, 21029), (1156, 17318), (1237, 16184), (2023, 9896), (2312, 8659), (2474, 8092), (4046, 4948)]