20165965042

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1\times {\mathrm{1217}}^1$

素因数の和:2106

約数の個数: 32

約数和(自身を含む): 31065431040

約数和(自身を除く): 10899465998

約数列:

[1, 2, 47, 94, 409, 431, 818, 862, 1217, 2434, 19223, 20257, 38446, 40514, 57199, 114398, 176279, 352558, 497753, 524527, 995506, 1049054, 8285113, 16570226, 23394391, 24652769, 46788782, 49305538, 214531543, 429063086, 10082982521, 20165965042]

約数ペア:

[(1, 20165965042), (2, 10082982521), (47, 429063086), (94, 214531543), (409, 49305538), (431, 46788782), (818, 24652769), (862, 23394391), (1217, 16570226), (2434, 8285113), (19223, 1049054), (20257, 995506), (38446, 524527), (40514, 497753), (57199, 352558), (114398, 176279)]