20817554

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{19751}}^1$

素因数の和:19801

約数の個数: 16

約数和(自身を含む): 34131456

約数和(自身を除く): 13313902

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 19751, 39502, 335767, 612281, 671534, 1224562, 10408777, 20817554]

約数ペア:

[(1, 20817554), (2, 10408777), (17, 1224562), (31, 671534), (34, 612281), (62, 335767), (527, 39502), (1054, 19751)]