20528027986

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{127727}}^1$

素因数の和:127938

約数の個数: 32

約数和(自身を含む): 33934775040

約数和(自身を除く): 13406747054

約数列:

[1, 2, 17, 29, 34, 58, 163, 326, 493, 986, 2771, 4727, 5542, 9454, 80359, 127727, 160718, 255454, 2171359, 3704083, 4342718, 7408166, 20819501, 41639002, 62969411, 125938822, 353931517, 603765529, 707863034, 1207531058, 10264013993, 20528027986]

約数ペア:

[(1, 20528027986), (2, 10264013993), (17, 1207531058), (29, 707863034), (34, 603765529), (58, 353931517), (163, 125938822), (326, 62969411), (493, 41639002), (986, 20819501), (2771, 7408166), (4727, 4342718), (5542, 3704083), (9454, 2171359), (80359, 255454), (127727, 160718)]