20726966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{971}}^1$

素因数の和:1807

約数の個数: 16

約数和(自身を含む): 33557328

約数和(自身を除く): 12830362

約数列:

[1, 2, 13, 26, 821, 971, 1642, 1942, 10673, 12623, 21346, 25246, 797191, 1594382, 10363483, 20726966]

約数ペア:

[(1, 20726966), (2, 10363483), (13, 1594382), (26, 797191), (821, 25246), (971, 21346), (1642, 12623), (1942, 10673)]