20993130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13721}}^1$

素因数の和:13751

約数の個数: 48

約数和(自身を含む): 57797064

約数和(自身を除く): 36803934

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13721, 27442, 41163, 68605, 82326, 123489, 137210, 205815, 233257, 246978, 411630, 466514, 617445, 699771, 1166285, 1234890, 1399542, 2099313, 2332570, 3498855, 4198626, 6997710, 10496565, 20993130]

約数ペア:

[(1, 20993130), (2, 10496565), (3, 6997710), (5, 4198626), (6, 3498855), (9, 2332570), (10, 2099313), (15, 1399542), (17, 1234890), (18, 1166285), (30, 699771), (34, 617445), (45, 466514), (51, 411630), (85, 246978), (90, 233257), (102, 205815), (153, 137210), (170, 123489), (255, 82326), (306, 68605), (510, 41163), (765, 27442), (1530, 13721)]