20722923

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4787}}^1$

素因数の和:4843

約数の個数: 24

約数和(自身を含む): 33113808

約数和(自身を除く): 12390885

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 4787, 14361, 43083, 62231, 177119, 186693, 531357, 560079, 1594071, 2302547, 6907641, 20722923]

約数ペア:

[(1, 20722923), (3, 6907641), (9, 2302547), (13, 1594071), (37, 560079), (39, 531357), (111, 186693), (117, 177119), (333, 62231), (481, 43083), (1443, 14361), (4329, 4787)]