20396241

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:677

約数の個数: 24

約数和(自身を含む): 30438720

約数和(自身を除く): 10042479

約数列:

[1, 3, 9, 59, 71, 177, 213, 531, 541, 639, 1623, 4189, 4869, 12567, 31919, 37701, 38411, 95757, 115233, 287271, 345699, 2266249, 6798747, 20396241]

約数ペア:

[(1, 20396241), (3, 6798747), (9, 2266249), (59, 345699), (71, 287271), (177, 115233), (213, 95757), (531, 38411), (541, 37701), (639, 31919), (1623, 12567), (4189, 4869)]