2013984020

素因数分解:

$2^2\times 5^1\times {\mathrm{3671}}^1\times {\mathrm{27431}}^1$

素因数の和:31111

約数の個数: 24

約数和(自身を含む): 4230672768

約数和(自身を除く): 2216688748

約数列:

[1, 2, 4, 5, 10, 20, 3671, 7342, 14684, 18355, 27431, 36710, 54862, 73420, 109724, 137155, 274310, 548620, 100699201, 201398402, 402796804, 503496005, 1006992010, 2013984020]

約数ペア:

[(1, 2013984020), (2, 1006992010), (4, 503496005), (5, 402796804), (10, 201398402), (20, 100699201), (3671, 548620), (7342, 274310), (14684, 137155), (18355, 109724), (27431, 73420), (36710, 54862)]