20638646

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{5101}}^1$

素因数の和:5144

約数の個数: 24

約数和(自身を含む): 37591536

約数和(自身を除く): 16952890

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 578, 2023, 4046, 5101, 10202, 35707, 71414, 86717, 173434, 607019, 1214038, 1474189, 2948378, 10319323, 20638646]

約数ペア:

[(1, 20638646), (2, 10319323), (7, 2948378), (14, 1474189), (17, 1214038), (34, 607019), (119, 173434), (238, 86717), (289, 71414), (578, 35707), (2023, 10202), (4046, 5101)]