19960140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4211}}^1$

素因数の和:4302

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 36649140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4211, 4740, 8422, 12633, 16844, 21055, 25266, 42110, 50532, 63165, 84220, 126330, 252660, 332669, 665338, 998007, 1330676, 1663345, 1996014, 3326690, 3992028, 4990035, 6653380, 9980070, 19960140]

約数ペア:

[(1, 19960140), (2, 9980070), (3, 6653380), (4, 4990035), (5, 3992028), (6, 3326690), (10, 1996014), (12, 1663345), (15, 1330676), (20, 998007), (30, 665338), (60, 332669), (79, 252660), (158, 126330), (237, 84220), (316, 63165), (395, 50532), (474, 42110), (790, 25266), (948, 21055), (1185, 16844), (1580, 12633), (2370, 8422), (4211, 4740)]