20344765

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 9146435

約数列:

[1, 5, 7, 23, 35, 115, 127, 161, 199, 635, 805, 889, 995, 1393, 2921, 4445, 4577, 6965, 14605, 20447, 22885, 25273, 32039, 102235, 126365, 160195, 176911, 581279, 884555, 2906395, 4068953, 20344765]

約数ペア:

[(1, 20344765), (5, 4068953), (7, 2906395), (23, 884555), (35, 581279), (115, 176911), (127, 160195), (161, 126365), (199, 102235), (635, 32039), (805, 25273), (889, 22885), (995, 20447), (1393, 14605), (2921, 6965), (4445, 4577)]