20421396

素因数分解:

$2^2\times 3^4\times {\mathrm{63029}}^1$

素因数の和:63045

約数の個数: 30

約数和(自身を含む): 53386410

約数和(自身を除く): 32965014

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 63029, 126058, 189087, 252116, 378174, 567261, 756348, 1134522, 1701783, 2269044, 3403566, 5105349, 6807132, 10210698, 20421396]

約数ペア:

[(1, 20421396), (2, 10210698), (3, 6807132), (4, 5105349), (6, 3403566), (9, 2269044), (12, 1701783), (18, 1134522), (27, 756348), (36, 567261), (54, 378174), (81, 252116), (108, 189087), (162, 126058), (324, 63029)]