20705643

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19333}}^1$

素因数の和:19363

約数の個数: 24

約数和(自身を含む): 36193248

約数和(自身を除く): 15487605

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 19333, 57999, 135331, 173997, 328661, 405993, 985983, 1217979, 2300627, 2957949, 6901881, 20705643]

約数ペア:

[(1, 20705643), (3, 6901881), (7, 2957949), (9, 2300627), (17, 1217979), (21, 985983), (51, 405993), (63, 328661), (119, 173997), (153, 135331), (357, 57999), (1071, 19333)]