20695460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60869}}^1$

素因数の和:60895

約数の個数: 24

約数和(自身を含む): 46017720

約数和(自身を除く): 25322260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60869, 121738, 243476, 304345, 608690, 1034773, 1217380, 2069546, 4139092, 5173865, 10347730, 20695460]

約数ペア:

[(1, 20695460), (2, 10347730), (4, 5173865), (5, 4139092), (10, 2069546), (17, 1217380), (20, 1034773), (34, 608690), (68, 304345), (85, 243476), (170, 121738), (340, 60869)]