20473609

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 23030784

約数和(自身を除く): 2557175

約数列:

[1, 13, 31, 101, 403, 503, 1313, 3131, 6539, 15593, 40703, 50803, 202709, 660439, 1574893, 20473609]

約数ペア:

[(1, 20473609), (13, 1574893), (31, 660439), (101, 202709), (403, 50803), (503, 40703), (1313, 15593), (3131, 6539)]