20125259

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 26320896

約数和(自身を除く): 6195637

約数列:

[1, 7, 11, 47, 67, 77, 83, 329, 469, 517, 581, 737, 913, 3149, 3619, 3901, 5159, 5561, 6391, 22043, 27307, 34639, 38927, 42911, 61171, 242473, 261367, 300377, 428197, 1829569, 2875037, 20125259]

約数ペア:

[(1, 20125259), (7, 2875037), (11, 1829569), (47, 428197), (67, 300377), (77, 261367), (83, 242473), (329, 61171), (469, 42911), (517, 38927), (581, 34639), (737, 27307), (913, 22043), (3149, 6391), (3619, 5561), (3901, 5159)]