20972044

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 40372416

約数和(自身を除く): 19400372

約数列:

[1, 2, 4, 23, 37, 46, 61, 74, 92, 101, 122, 148, 202, 244, 404, 851, 1403, 1702, 2257, 2323, 2806, 3404, 3737, 4514, 4646, 5612, 6161, 7474, 9028, 9292, 12322, 14948, 24644, 51911, 85951, 103822, 141703, 171902, 207644, 227957, 283406, 343804, 455914, 566812, 911828, 5243011, 10486022, 20972044]

約数ペア:

[(1, 20972044), (2, 10486022), (4, 5243011), (23, 911828), (37, 566812), (46, 455914), (61, 343804), (74, 283406), (92, 227957), (101, 207644), (122, 171902), (148, 141703), (202, 103822), (244, 85951), (404, 51911), (851, 24644), (1403, 14948), (1702, 12322), (2257, 9292), (2323, 9028), (2806, 7474), (3404, 6161), (3737, 5612), (4514, 4646)]