20682844

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56821}}^1$

素因数の和:56845

約数の個数: 24

約数和(自身を含む): 44548448

約数和(自身を除く): 23865604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56821, 113642, 227284, 397747, 738673, 795494, 1477346, 1590988, 2954692, 5170711, 10341422, 20682844]

約数ペア:

[(1, 20682844), (2, 10341422), (4, 5170711), (7, 2954692), (13, 1590988), (14, 1477346), (26, 795494), (28, 738673), (52, 397747), (91, 227284), (182, 113642), (364, 56821)]