20822870

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1217}}^1$

素因数の和:1312

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 18640330

約数列:

[1, 2, 5, 10, 29, 58, 59, 118, 145, 290, 295, 590, 1217, 1711, 2434, 3422, 6085, 8555, 12170, 17110, 35293, 70586, 71803, 143606, 176465, 352930, 359015, 718030, 2082287, 4164574, 10411435, 20822870]

約数ペア:

[(1, 20822870), (2, 10411435), (5, 4164574), (10, 2082287), (29, 718030), (58, 359015), (59, 352930), (118, 176465), (145, 143606), (290, 71803), (295, 70586), (590, 35293), (1217, 17110), (1711, 12170), (2434, 8555), (3422, 6085)]