20682778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 34645968

約数和(自身を除く): 13963190

約数列:

[1, 2, 17, 34, 37, 41, 74, 82, 401, 629, 697, 802, 1258, 1394, 1517, 3034, 6817, 13634, 14837, 16441, 25789, 29674, 32882, 51578, 252229, 279497, 504458, 558994, 608317, 1216634, 10341389, 20682778]

約数ペア:

[(1, 20682778), (2, 10341389), (17, 1216634), (34, 608317), (37, 558994), (41, 504458), (74, 279497), (82, 252229), (401, 51578), (629, 32882), (697, 29674), (802, 25789), (1258, 16441), (1394, 14837), (1517, 13634), (3034, 6817)]