20180591690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1790647}}^1$

素因数の和:1790691

約数の個数: 48

約数和(自身を含む): 44092916352

約数和(自身を除く): 23912324662

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1610, 2254, 5635, 11270, 1790647, 3581294, 8953235, 12534529, 17906470, 25069058, 41184881, 62672645, 82369762, 87741703, 125345290, 175483406, 205924405, 288294167, 411848810, 438708515, 576588334, 877417030, 1441470835, 2018059169, 2882941670, 4036118338, 10090295845, 20180591690]

約数ペア:

[(1, 20180591690), (2, 10090295845), (5, 4036118338), (7, 2882941670), (10, 2018059169), (14, 1441470835), (23, 877417030), (35, 576588334), (46, 438708515), (49, 411848810), (70, 288294167), (98, 205924405), (115, 175483406), (161, 125345290), (230, 87741703), (245, 82369762), (322, 62672645), (490, 41184881), (805, 25069058), (1127, 17906470), (1610, 12534529), (2254, 8953235), (5635, 3581294), (11270, 1790647)]