20211520918

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1\times {\mathrm{479}}^1\times {\mathrm{613}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 30782914560

約数和(自身を除く): 10571393642

約数列:

[1, 2, 127, 254, 271, 479, 542, 613, 958, 1226, 34417, 60833, 68834, 77851, 121666, 129809, 155702, 166123, 259618, 293627, 332246, 587254, 16485743, 21097621, 32971486, 37290629, 42195242, 74581258, 79572917, 159145834, 10105760459, 20211520918]

約数ペア:

[(1, 20211520918), (2, 10105760459), (127, 159145834), (254, 79572917), (271, 74581258), (479, 42195242), (542, 37290629), (613, 32971486), (958, 21097621), (1226, 16485743), (34417, 587254), (60833, 332246), (68834, 293627), (77851, 259618), (121666, 166123), (129809, 155702)]