202106780

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{18679}}^1$

素因数の和:19229

約数の個数: 24

約数和(自身を含む): 425231520

約数和(自身を除く): 223124740

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 18679, 37358, 74716, 93395, 186790, 373580, 10105339, 20210678, 40421356, 50526695, 101053390, 202106780]

約数ペア:

[(1, 202106780), (2, 101053390), (4, 50526695), (5, 40421356), (10, 20210678), (20, 10105339), (541, 373580), (1082, 186790), (2164, 93395), (2705, 74716), (5410, 37358), (10820, 18679)]