2017887820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7761107}}^1$

素因数の和:7761129

約数の個数: 24

約数和(自身を含む): 4563531504

約数和(自身を除く): 2545643684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7761107, 15522214, 31044428, 38805535, 77611070, 100894391, 155222140, 201788782, 403577564, 504471955, 1008943910, 2017887820]

約数ペア:

[(1, 2017887820), (2, 1008943910), (4, 504471955), (5, 403577564), (10, 201788782), (13, 155222140), (20, 100894391), (26, 77611070), (52, 38805535), (65, 31044428), (130, 15522214), (260, 7761107)]