20124223

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{241}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 23541760

約数和(自身を除く): 3417537

約数列:

[1, 7, 79, 151, 241, 553, 1057, 1687, 11929, 19039, 36391, 83503, 133273, 254737, 2874889, 20124223]

約数ペア:

[(1, 20124223), (7, 2874889), (79, 254737), (151, 133273), (241, 83503), (553, 36391), (1057, 19039), (1687, 11929)]