20131298890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49100729}}^1$

素因数の和:49100777

約数の個数: 16

約数和(自身を含む): 37120151880

約数和(自身を除く): 16988852990

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49100729, 98201458, 245503645, 491007290, 2013129889, 4026259778, 10065649445, 20131298890]

約数ペア:

[(1, 20131298890), (2, 10065649445), (5, 4026259778), (10, 2013129889), (41, 491007290), (82, 245503645), (205, 98201458), (410, 49100729)]