20098722

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 47196000

約数和(自身を除く): 27097278

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 137, 147, 274, 294, 411, 499, 822, 959, 998, 1497, 1918, 2877, 2994, 3493, 5754, 6713, 6986, 10479, 13426, 20139, 20958, 24451, 40278, 48902, 68363, 73353, 136726, 146706, 205089, 410178, 478541, 957082, 1435623, 2871246, 3349787, 6699574, 10049361, 20098722]

約数ペア:

[(1, 20098722), (2, 10049361), (3, 6699574), (6, 3349787), (7, 2871246), (14, 1435623), (21, 957082), (42, 478541), (49, 410178), (98, 205089), (137, 146706), (147, 136726), (274, 73353), (294, 68363), (411, 48902), (499, 40278), (822, 24451), (959, 20958), (998, 20139), (1497, 13426), (1918, 10479), (2877, 6986), (2994, 6713), (3493, 5754)]