20452173

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 13140147

約数列:

[1, 3, 7, 17, 21, 51, 59, 119, 177, 357, 413, 971, 1003, 1239, 2913, 3009, 6797, 7021, 16507, 20391, 21063, 49521, 57289, 115549, 171867, 346647, 401023, 973913, 1203069, 2921739, 6817391, 20452173]

約数ペア:

[(1, 20452173), (3, 6817391), (7, 2921739), (17, 1203069), (21, 973913), (51, 401023), (59, 346647), (119, 171867), (177, 115549), (357, 57289), (413, 49521), (971, 21063), (1003, 20391), (1239, 16507), (2913, 7021), (3009, 6797)]