20205108748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{30971}}^1\times {\mathrm{14827}}^1$

素因数の和:45813

約数の個数: 24

約数和(自身を含む): 38577236544

約数和(自身を除く): 18372127796

約数列:

[1, 2, 4, 11, 22, 44, 14827, 29654, 30971, 59308, 61942, 123884, 163097, 326194, 340681, 652388, 681362, 1362724, 459207017, 918414034, 1836828068, 5051277187, 10102554374, 20205108748]

約数ペア:

[(1, 20205108748), (2, 10102554374), (4, 5051277187), (11, 1836828068), (22, 918414034), (44, 459207017), (14827, 1362724), (29654, 681362), (30971, 652388), (59308, 340681), (61942, 326194), (123884, 163097)]