20202340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 44198784

約数和(自身を除く): 23996444

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 347, 355, 410, 694, 710, 820, 1388, 1420, 1735, 2911, 3470, 5822, 6940, 11644, 14227, 14555, 24637, 28454, 29110, 49274, 56908, 58220, 71135, 98548, 123185, 142270, 246370, 284540, 492740, 1010117, 2020234, 4040468, 5050585, 10101170, 20202340]

約数ペア:

[(1, 20202340), (2, 10101170), (4, 5050585), (5, 4040468), (10, 2020234), (20, 1010117), (41, 492740), (71, 284540), (82, 246370), (142, 142270), (164, 123185), (205, 98548), (284, 71135), (347, 58220), (355, 56908), (410, 49274), (694, 29110), (710, 28454), (820, 24637), (1388, 14555), (1420, 14227), (1735, 11644), (2911, 6940), (3470, 5822)]