20464235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19583}}^1$

素因数の和:19618

約数の個数: 16

約数和(自身を含む): 28200960

約数和(自身を除く): 7736725

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19583, 97915, 215413, 372077, 1077065, 1860385, 4092847, 20464235]

約数ペア:

[(1, 20464235), (5, 4092847), (11, 1860385), (19, 1077065), (55, 372077), (95, 215413), (209, 97915), (1045, 19583)]