20458844

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{3709}}^1$

素因数の和:3917

約数の個数: 24

約数和(自身を含む): 41136480

約数和(自身を除く): 20677636

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 3709, 5516, 7418, 14836, 25963, 51926, 103852, 730673, 1461346, 2922692, 5114711, 10229422, 20458844]

約数ペア:

[(1, 20458844), (2, 10229422), (4, 5114711), (7, 2922692), (14, 1461346), (28, 730673), (197, 103852), (394, 51926), (788, 25963), (1379, 14836), (2758, 7418), (3709, 5516)]