20502843

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1613}}^1$

素因数の和:1858

約数の個数: 16

約数和(自身を含む): 28922880

約数和(自身を除く): 8420037

約数列:

[1, 3, 19, 57, 223, 669, 1613, 4237, 4839, 12711, 30647, 91941, 359699, 1079097, 6834281, 20502843]

約数ペア:

[(1, 20502843), (3, 6834281), (19, 1079097), (57, 359699), (223, 91941), (669, 30647), (1613, 12711), (4237, 4839)]