20372541

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51059}}^1$

素因数の和:51088

約数の個数: 16

約数和(自身を含む): 32678400

約数和(自身を除く): 12305859

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 51059, 153177, 357413, 970121, 1072239, 2910363, 6790847, 20372541]

約数ペア:

[(1, 20372541), (3, 6790847), (7, 2910363), (19, 1072239), (21, 970121), (57, 357413), (133, 153177), (399, 51059)]