20121493407

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^2\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 28258771968

約数和(自身を除く): 8137278561

約数列:

[1, 3, 47, 53, 101, 141, 159, 303, 503, 1509, 2491, 2809, 4747, 5353, 7473, 8427, 14241, 16059, 23641, 26659, 50803, 70923, 79977, 132023, 152409, 251591, 283709, 396069, 754773, 851127, 1252973, 1412927, 2387741, 2692559, 3758919, 4238781, 7163223, 8077677, 13334323, 40002969, 66407569, 126550273, 142705627, 199222707, 379650819, 428116881, 6707164469, 20121493407]

約数ペア:

[(1, 20121493407), (3, 6707164469), (47, 428116881), (53, 379650819), (101, 199222707), (141, 142705627), (159, 126550273), (303, 66407569), (503, 40002969), (1509, 13334323), (2491, 8077677), (2809, 7163223), (4747, 4238781), (5353, 3758919), (7473, 2692559), (8427, 2387741), (14241, 1412927), (16059, 1252973), (23641, 851127), (26659, 754773), (50803, 396069), (70923, 283709), (79977, 251591), (132023, 152409)]