91121620

素因数分解:

$2^2\times 5^1\times {\mathrm{1933}}^1\times {\mathrm{2357}}^1$

素因数の和:4299

約数の個数: 24

約数和(自身を含む): 191535624

約数和(自身を除く): 100414004

約数列:

[1, 2, 4, 5, 10, 20, 1933, 2357, 3866, 4714, 7732, 9428, 9665, 11785, 19330, 23570, 38660, 47140, 4556081, 9112162, 18224324, 22780405, 45560810, 91121620]

約数ペア:

[(1, 91121620), (2, 45560810), (4, 22780405), (5, 18224324), (10, 9112162), (20, 4556081), (1933, 47140), (2357, 38660), (3866, 23570), (4714, 19330), (7732, 11785), (9428, 9665)]