20034680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 27243400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 151, 155, 214, 248, 302, 310, 428, 535, 604, 620, 755, 856, 1070, 1208, 1240, 1510, 2140, 3020, 3317, 4280, 4681, 6040, 6634, 9362, 13268, 16157, 16585, 18724, 23405, 26536, 32314, 33170, 37448, 46810, 64628, 66340, 80785, 93620, 129256, 132680, 161570, 187240, 323140, 500867, 646280, 1001734, 2003468, 2504335, 4006936, 5008670, 10017340, 20034680]

約数ペア:

[(1, 20034680), (2, 10017340), (4, 5008670), (5, 4006936), (8, 2504335), (10, 2003468), (20, 1001734), (31, 646280), (40, 500867), (62, 323140), (107, 187240), (124, 161570), (151, 132680), (155, 129256), (214, 93620), (248, 80785), (302, 66340), (310, 64628), (428, 46810), (535, 37448), (604, 33170), (620, 32314), (755, 26536), (856, 23405), (1070, 18724), (1208, 16585), (1240, 16157), (1510, 13268), (2140, 9362), (3020, 6634), (3317, 6040), (4280, 4681)]