221013020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{87013}}^1$

素因数の和:87149

約数の個数: 24

約数和(自身を含む): 467787264

約数和(自身を除く): 246774244

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 87013, 174026, 348052, 435065, 870130, 1740260, 11050651, 22101302, 44202604, 55253255, 110506510, 221013020]

約数ペア:

[(1, 221013020), (2, 110506510), (4, 55253255), (5, 44202604), (10, 22101302), (20, 11050651), (127, 1740260), (254, 870130), (508, 435065), (635, 348052), (1270, 174026), (2540, 87013)]