20207982

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1721}}^1$

素因数の和:1848

約数の個数: 32

約数和(自身を含む): 42981120

約数和(自身を除く): 22773138

約数列:

[1, 2, 3, 6, 19, 38, 57, 103, 114, 206, 309, 618, 1721, 1957, 3442, 3914, 5163, 5871, 10326, 11742, 32699, 65398, 98097, 177263, 196194, 354526, 531789, 1063578, 3367997, 6735994, 10103991, 20207982]

約数ペア:

[(1, 20207982), (2, 10103991), (3, 6735994), (6, 3367997), (19, 1063578), (38, 531789), (57, 354526), (103, 196194), (114, 177263), (206, 98097), (309, 65398), (618, 32699), (1721, 11742), (1957, 10326), (3442, 5871), (3914, 5163)]