20082440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4219}}^1$

素因数の和:4254

約数の個数: 64

約数和(自身を含む): 54691200

約数和(自身を除く): 34608760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 4219, 4760, 8438, 16876, 21095, 29533, 33752, 42190, 59066, 71723, 84380, 118132, 143446, 147665, 168760, 236264, 286892, 295330, 358615, 502061, 573784, 590660, 717230, 1004122, 1181320, 1434460, 2008244, 2510305, 2868920, 4016488, 5020610, 10041220, 20082440]

約数ペア:

[(1, 20082440), (2, 10041220), (4, 5020610), (5, 4016488), (7, 2868920), (8, 2510305), (10, 2008244), (14, 1434460), (17, 1181320), (20, 1004122), (28, 717230), (34, 590660), (35, 573784), (40, 502061), (56, 358615), (68, 295330), (70, 286892), (85, 236264), (119, 168760), (136, 147665), (140, 143446), (170, 118132), (238, 84380), (280, 71723), (340, 59066), (476, 42190), (595, 33752), (680, 29533), (952, 21095), (1190, 16876), (2380, 8438), (4219, 4760)]