20767670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3853}}^1$

素因数の和:3885

約数の個数: 48

約数和(自身を含む): 47450448

約数和(自身を除く): 26682778

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3853, 5390, 7706, 19265, 26971, 38530, 42383, 53942, 84766, 134855, 188797, 211915, 269710, 296681, 377594, 423830, 593362, 943985, 1483405, 1887970, 2076767, 2966810, 4153534, 10383835, 20767670]

約数ペア:

[(1, 20767670), (2, 10383835), (5, 4153534), (7, 2966810), (10, 2076767), (11, 1887970), (14, 1483405), (22, 943985), (35, 593362), (49, 423830), (55, 377594), (70, 296681), (77, 269710), (98, 211915), (110, 188797), (154, 134855), (245, 84766), (385, 53942), (490, 42383), (539, 38530), (770, 26971), (1078, 19265), (2695, 7706), (3853, 5390)]