20410705

素因数分解:

$5^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{367}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 28695168

約数和(自身を除く): 8284463

約数列:

[1, 5, 7, 35, 49, 227, 245, 367, 1135, 1589, 1835, 2569, 7945, 11123, 12845, 17983, 55615, 83309, 89915, 416545, 583163, 2915815, 4082141, 20410705]

約数ペア:

[(1, 20410705), (5, 4082141), (7, 2915815), (35, 583163), (49, 416545), (227, 89915), (245, 83309), (367, 55615), (1135, 17983), (1589, 12845), (1835, 11123), (2569, 7945)]