20199494394

素因数分解:

$2^1\times 3^4\times {\mathrm{101}}^1\times {\mathrm{1234537}}^1$

素因数の和:1234652

約数の個数: 40

約数和(自身を含む): 45710003988

約数和(自身を除く): 25510509594

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 101, 162, 202, 303, 606, 909, 1818, 2727, 5454, 8181, 16362, 1234537, 2469074, 3703611, 7407222, 11110833, 22221666, 33332499, 66664998, 99997497, 124688237, 199994994, 249376474, 374064711, 748129422, 1122194133, 2244388266, 3366582399, 6733164798, 10099747197, 20199494394]

約数ペア:

[(1, 20199494394), (2, 10099747197), (3, 6733164798), (6, 3366582399), (9, 2244388266), (18, 1122194133), (27, 748129422), (54, 374064711), (81, 249376474), (101, 199994994), (162, 124688237), (202, 99997497), (303, 66664998), (606, 33332499), (909, 22221666), (1818, 11110833), (2727, 7407222), (5454, 3703611), (8181, 2469074), (16362, 1234537)]