20996666

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1973}}^1$

素因数の和:2305

約数の個数: 16

約数和(自身を含む): 33471144

約数和(自身を除く): 12474478

約数列:

[1, 2, 17, 34, 313, 626, 1973, 3946, 5321, 10642, 33541, 67082, 617549, 1235098, 10498333, 20996666]

約数ペア:

[(1, 20996666), (2, 10498333), (17, 1235098), (34, 617549), (313, 67082), (626, 33541), (1973, 10642), (3946, 5321)]