20366380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 44706816

約数和(自身を除く): 24340436

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 307, 310, 428, 535, 614, 620, 1070, 1228, 1535, 2140, 3070, 3317, 6140, 6634, 9517, 13268, 16585, 19034, 32849, 33170, 38068, 47585, 65698, 66340, 95170, 131396, 164245, 190340, 328490, 656980, 1018319, 2036638, 4073276, 5091595, 10183190, 20366380]

約数ペア:

[(1, 20366380), (2, 10183190), (4, 5091595), (5, 4073276), (10, 2036638), (20, 1018319), (31, 656980), (62, 328490), (107, 190340), (124, 164245), (155, 131396), (214, 95170), (307, 66340), (310, 65698), (428, 47585), (535, 38068), (614, 33170), (620, 32849), (1070, 19034), (1228, 16585), (1535, 13268), (2140, 9517), (3070, 6634), (3317, 6140)]