20157803208

素因数分解:

$2^3\times 3^4\times {\mathrm{31107721}}^1$

素因数の和:31107739

約数の個数: 40

約数和(自身を含む): 56460515430

約数和(自身を除く): 36302712222

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 31107721, 62215442, 93323163, 124430884, 186646326, 248861768, 279969489, 373292652, 559938978, 746585304, 839908467, 1119877956, 1679816934, 2239755912, 2519725401, 3359633868, 5039450802, 6719267736, 10078901604, 20157803208]

約数ペア:

[(1, 20157803208), (2, 10078901604), (3, 6719267736), (4, 5039450802), (6, 3359633868), (8, 2519725401), (9, 2239755912), (12, 1679816934), (18, 1119877956), (24, 839908467), (27, 746585304), (36, 559938978), (54, 373292652), (72, 279969489), (81, 248861768), (108, 186646326), (162, 124430884), (216, 93323163), (324, 62215442), (648, 31107721)]