20123694812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{694783}}^1$

素因数の和:695357

約数の個数: 24

約数和(自身を含む): 37993568256

約数和(自身を除く): 17869873444

約数列:

[1, 2, 4, 13, 26, 52, 557, 1114, 2228, 7241, 14482, 28964, 694783, 1389566, 2779132, 9032179, 18064358, 36128716, 386994131, 773988262, 1547976524, 5030923703, 10061847406, 20123694812]

約数ペア:

[(1, 20123694812), (2, 10061847406), (4, 5030923703), (13, 1547976524), (26, 773988262), (52, 386994131), (557, 36128716), (1114, 18064358), (2228, 9032179), (7241, 2779132), (14482, 1389566), (28964, 694783)]