20174752456

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{1583}}^1$

素因数の和:1958

約数の個数: 64

約数和(自身を含む): 38892268800

約数和(自身を除く): 18717516344

約数列:

[1, 2, 4, 8, 73, 139, 146, 157, 278, 292, 314, 556, 584, 628, 1112, 1256, 1583, 3166, 6332, 10147, 11461, 12664, 20294, 21823, 22922, 40588, 43646, 45844, 81176, 87292, 91688, 115559, 174584, 220037, 231118, 248531, 440074, 462236, 497062, 880148, 924472, 994124, 1593079, 1760296, 1988248, 3186158, 6372316, 12744632, 16062701, 18142763, 32125402, 34545809, 36285526, 64250804, 69091618, 72571052, 128501608, 138183236, 145142104, 276366472, 2521844057, 5043688114, 10087376228, 20174752456]

約数ペア:

[(1, 20174752456), (2, 10087376228), (4, 5043688114), (8, 2521844057), (73, 276366472), (139, 145142104), (146, 138183236), (157, 128501608), (278, 72571052), (292, 69091618), (314, 64250804), (556, 36285526), (584, 34545809), (628, 32125402), (1112, 18142763), (1256, 16062701), (1583, 12744632), (3166, 6372316), (6332, 3186158), (10147, 1988248), (11461, 1760296), (12664, 1593079), (20294, 994124), (21823, 924472), (22922, 880148), (40588, 497062), (43646, 462236), (45844, 440074), (81176, 248531), (87292, 231118), (91688, 220037), (115559, 174584)]