20911260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3593}}^1$

素因数の和:3702

約数の個数: 48

約数和(自身を含む): 59171616

約数和(自身を除く): 38260356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 3593, 5820, 7186, 10779, 14372, 17965, 21558, 35930, 43116, 53895, 71860, 107790, 215580, 348521, 697042, 1045563, 1394084, 1742605, 2091126, 3485210, 4182252, 5227815, 6970420, 10455630, 20911260]

約数ペア:

[(1, 20911260), (2, 10455630), (3, 6970420), (4, 5227815), (5, 4182252), (6, 3485210), (10, 2091126), (12, 1742605), (15, 1394084), (20, 1045563), (30, 697042), (60, 348521), (97, 215580), (194, 107790), (291, 71860), (388, 53895), (485, 43116), (582, 35930), (970, 21558), (1164, 17965), (1455, 14372), (1940, 10779), (2910, 7186), (3593, 5820)]