20505604

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1873}}^1$

素因数の和:1924

約数の個数: 48

約数和(自身を含む): 45335808

約数和(自身を除く): 24830204

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 1873, 2737, 3746, 5474, 7492, 10948, 13111, 26222, 31841, 43079, 52444, 63682, 86158, 127364, 172316, 222887, 301553, 445774, 603106, 732343, 891548, 1206212, 1464686, 2929372, 5126401, 10252802, 20505604]

約数ペア:

[(1, 20505604), (2, 10252802), (4, 5126401), (7, 2929372), (14, 1464686), (17, 1206212), (23, 891548), (28, 732343), (34, 603106), (46, 445774), (68, 301553), (92, 222887), (119, 172316), (161, 127364), (238, 86158), (322, 63682), (391, 52444), (476, 43079), (644, 31841), (782, 26222), (1564, 13111), (1873, 10948), (2737, 7492), (3746, 5474)]