20772972

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{52457}}^1$

素因数の和:52478

約数の個数: 36

約数和(自身を含む): 57284136

約数和(自身を除く): 36511164

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 52457, 104914, 157371, 209828, 314742, 472113, 577027, 629484, 944226, 1154054, 1731081, 1888452, 2308108, 3462162, 5193243, 6924324, 10386486, 20772972]

約数ペア:

[(1, 20772972), (2, 10386486), (3, 6924324), (4, 5193243), (6, 3462162), (9, 2308108), (11, 1888452), (12, 1731081), (18, 1154054), (22, 944226), (33, 629484), (36, 577027), (44, 472113), (66, 314742), (99, 209828), (132, 157371), (198, 104914), (396, 52457)]