20454974192

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{142159}}^1$

素因数の和:142230

約数の個数: 60

約数和(自身を含む): 43866879840

約数和(自身を除く): 23411905648

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 272, 368, 391, 529, 782, 1058, 1564, 2116, 3128, 4232, 6256, 8464, 8993, 17986, 35972, 71944, 142159, 143888, 284318, 568636, 1137272, 2274544, 2416703, 3269657, 4833406, 6539314, 9666812, 13078628, 19333624, 26157256, 38667248, 52314512, 55584169, 75202111, 111168338, 150404222, 222336676, 300808444, 444673352, 601616888, 889346704, 1203233776, 1278435887, 2556871774, 5113743548, 10227487096, 20454974192]

約数ペア:

[(1, 20454974192), (2, 10227487096), (4, 5113743548), (8, 2556871774), (16, 1278435887), (17, 1203233776), (23, 889346704), (34, 601616888), (46, 444673352), (68, 300808444), (92, 222336676), (136, 150404222), (184, 111168338), (272, 75202111), (368, 55584169), (391, 52314512), (529, 38667248), (782, 26157256), (1058, 19333624), (1564, 13078628), (2116, 9666812), (3128, 6539314), (4232, 4833406), (6256, 3269657), (8464, 2416703), (8993, 2274544), (17986, 1137272), (35972, 568636), (71944, 284318), (142159, 143888)]