20291215378

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{220169}}^1$

素因数の和:220434

約数の個数: 32

約数和(自身を含む): 36143107200

約数和(自身を除く): 15851891822

約数列:

[1, 2, 7, 14, 29, 58, 203, 227, 406, 454, 1589, 3178, 6583, 13166, 46081, 92162, 220169, 440338, 1541183, 3082366, 6384901, 12769802, 44694307, 49978363, 89388614, 99956726, 349848541, 699697082, 1449372527, 2898745054, 10145607689, 20291215378]

約数ペア:

[(1, 20291215378), (2, 10145607689), (7, 2898745054), (14, 1449372527), (29, 699697082), (58, 349848541), (203, 99956726), (227, 89388614), (406, 49978363), (454, 44694307), (1589, 12769802), (3178, 6384901), (6583, 3082366), (13166, 1541183), (46081, 440338), (92162, 220169)]