20028988

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19333}}^1$

素因数の和:19381

約数の個数: 24

約数和(自身を含む): 41142752

約数和(自身を除く): 21113764

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 19333, 38666, 77332, 135331, 270662, 541324, 715321, 1430642, 2861284, 5007247, 10014494, 20028988]

約数ペア:

[(1, 20028988), (2, 10014494), (4, 5007247), (7, 2861284), (14, 1430642), (28, 715321), (37, 541324), (74, 270662), (148, 135331), (259, 77332), (518, 38666), (1036, 19333)]