20161308920

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1033}}^1\times {\mathrm{4831}}^1$

素因数の和:5976

約数の個数: 64

約数和(自身を含む): 45865923840

約数和(自身を除く): 25704614920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1033, 2020, 2066, 4040, 4132, 4831, 5165, 8264, 9662, 10330, 19324, 20660, 24155, 38648, 41320, 48310, 96620, 104333, 193240, 208666, 417332, 487931, 521665, 834664, 975862, 1043330, 1951724, 2086660, 2439655, 3903448, 4173320, 4879310, 4990423, 9758620, 9980846, 19517240, 19961692, 24952115, 39923384, 49904230, 99808460, 199616920, 504032723, 1008065446, 2016130892, 2520163615, 4032261784, 5040327230, 10080654460, 20161308920]

約数ペア:

[(1, 20161308920), (2, 10080654460), (4, 5040327230), (5, 4032261784), (8, 2520163615), (10, 2016130892), (20, 1008065446), (40, 504032723), (101, 199616920), (202, 99808460), (404, 49904230), (505, 39923384), (808, 24952115), (1010, 19961692), (1033, 19517240), (2020, 9980846), (2066, 9758620), (4040, 4990423), (4132, 4879310), (4831, 4173320), (5165, 3903448), (8264, 2439655), (9662, 2086660), (10330, 1951724), (19324, 1043330), (20660, 975862), (24155, 834664), (38648, 521665), (41320, 487931), (48310, 417332), (96620, 208666), (104333, 193240)]