20080998

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{809}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 50038560

約数和(自身を除く): 29957562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 197, 394, 591, 809, 1182, 1379, 1618, 1773, 2427, 2758, 3546, 4137, 4854, 5663, 7281, 8274, 11326, 12411, 14562, 16989, 24822, 33978, 50967, 101934, 159373, 318746, 478119, 956238, 1115611, 1434357, 2231222, 2868714, 3346833, 6693666, 10040499, 20080998]

約数ペア:

[(1, 20080998), (2, 10040499), (3, 6693666), (6, 3346833), (7, 2868714), (9, 2231222), (14, 1434357), (18, 1115611), (21, 956238), (42, 478119), (63, 318746), (126, 159373), (197, 101934), (394, 50967), (591, 33978), (809, 24822), (1182, 16989), (1379, 14562), (1618, 12411), (1773, 11326), (2427, 8274), (2758, 7281), (3546, 5663), (4137, 4854)]