20401292

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{3371}}^1$

素因数の和:3481

約数の個数: 24

約数和(自身を含む): 38238480

約数和(自身を除く): 17837188

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 356, 1513, 3026, 3371, 6052, 6742, 13484, 57307, 114614, 229228, 300019, 600038, 1200076, 5100323, 10200646, 20401292]

約数ペア:

[(1, 20401292), (2, 10200646), (4, 5100323), (17, 1200076), (34, 600038), (68, 300019), (89, 229228), (178, 114614), (356, 57307), (1513, 13484), (3026, 6742), (3371, 6052)]