20773575

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5431}}^1$

素因数の和:5464

約数の個数: 36

約数和(自身を含む): 39403728

約数和(自身を除く): 18630153

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 5431, 16293, 27155, 48879, 81465, 92327, 135775, 244395, 276981, 407325, 461635, 830943, 1221975, 1384905, 2308175, 4154715, 6924525, 20773575]

約数ペア:

[(1, 20773575), (3, 6924525), (5, 4154715), (9, 2308175), (15, 1384905), (17, 1221975), (25, 830943), (45, 461635), (51, 407325), (75, 276981), (85, 244395), (153, 135775), (225, 92327), (255, 81465), (425, 48879), (765, 27155), (1275, 16293), (3825, 5431)]