20715730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{631}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 44093376

約数和(自身を除く): 23377646

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 67, 70, 98, 134, 245, 335, 469, 490, 631, 670, 938, 1262, 2345, 3155, 3283, 4417, 4690, 6310, 6566, 8834, 16415, 22085, 30919, 32830, 42277, 44170, 61838, 84554, 154595, 211385, 295939, 309190, 422770, 591878, 1479695, 2071573, 2959390, 4143146, 10357865, 20715730]

約数ペア:

[(1, 20715730), (2, 10357865), (5, 4143146), (7, 2959390), (10, 2071573), (14, 1479695), (35, 591878), (49, 422770), (67, 309190), (70, 295939), (98, 211385), (134, 154595), (245, 84554), (335, 61838), (469, 44170), (490, 42277), (631, 32830), (670, 30919), (938, 22085), (1262, 16415), (2345, 8834), (3155, 6566), (3283, 6310), (4417, 4690)]