20930220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116279}}^1$

素因数の和:116294

約数の個数: 36

約数和(自身を含む): 63488880

約数和(自身を除く): 42558660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116279, 232558, 348837, 465116, 581395, 697674, 1046511, 1162790, 1395348, 1744185, 2093022, 2325580, 3488370, 4186044, 5232555, 6976740, 10465110, 20930220]

約数ペア:

[(1, 20930220), (2, 10465110), (3, 6976740), (4, 5232555), (5, 4186044), (6, 3488370), (9, 2325580), (10, 2093022), (12, 1744185), (15, 1395348), (18, 1162790), (20, 1046511), (30, 697674), (36, 581395), (45, 465116), (60, 348837), (90, 232558), (180, 116279)]