20801092

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1303}}^1$

素因数の和:1627

約数の個数: 24

約数和(自身を含む): 39359936

約数和(自身を除く): 18558844

約数列:

[1, 2, 4, 13, 26, 52, 307, 614, 1228, 1303, 2606, 3991, 5212, 7982, 15964, 16939, 33878, 67756, 400021, 800042, 1600084, 5200273, 10400546, 20801092]

約数ペア:

[(1, 20801092), (2, 10400546), (4, 5200273), (13, 1600084), (26, 800042), (52, 400021), (307, 67756), (614, 33878), (1228, 16939), (1303, 15964), (2606, 7982), (3991, 5212)]