20815476

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1531}}^1$

素因数の和:1652

約数の個数: 48

約数和(自身を含む): 53534208

約数和(自身を除く): 32718732

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 103, 132, 206, 309, 412, 618, 1133, 1236, 1531, 2266, 3062, 3399, 4532, 4593, 6124, 6798, 9186, 13596, 16841, 18372, 33682, 50523, 67364, 101046, 157693, 202092, 315386, 473079, 630772, 946158, 1734623, 1892316, 3469246, 5203869, 6938492, 10407738, 20815476]

約数ペア:

[(1, 20815476), (2, 10407738), (3, 6938492), (4, 5203869), (6, 3469246), (11, 1892316), (12, 1734623), (22, 946158), (33, 630772), (44, 473079), (66, 315386), (103, 202092), (132, 157693), (206, 101046), (309, 67364), (412, 50523), (618, 33682), (1133, 18372), (1236, 16841), (1531, 13596), (2266, 9186), (3062, 6798), (3399, 6124), (4532, 4593)]