20094966140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{552971}}^1$

素因数の和:553082

約数の個数: 48

約数和(自身を含む): 44591662080

約数和(自身を除く): 24496695940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 460, 790, 1580, 1817, 3634, 7268, 9085, 18170, 36340, 552971, 1105942, 2211884, 2764855, 5529710, 11059420, 12718333, 25436666, 43684709, 50873332, 63591665, 87369418, 127183330, 174738836, 218423545, 254366660, 436847090, 873694180, 1004748307, 2009496614, 4018993228, 5023741535, 10047483070, 20094966140]

約数ペア:

[(1, 20094966140), (2, 10047483070), (4, 5023741535), (5, 4018993228), (10, 2009496614), (20, 1004748307), (23, 873694180), (46, 436847090), (79, 254366660), (92, 218423545), (115, 174738836), (158, 127183330), (230, 87369418), (316, 63591665), (395, 50873332), (460, 43684709), (790, 25436666), (1580, 12718333), (1817, 11059420), (3634, 5529710), (7268, 2764855), (9085, 2211884), (18170, 1105942), (36340, 552971)]