20923294

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1$

素因数の和:713

約数の個数: 48

約数和(自身を含む): 40752720

約数和(自身を除く): 19829426

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 49, 98, 119, 133, 238, 266, 323, 646, 661, 833, 931, 1322, 1666, 1862, 2261, 4522, 4627, 9254, 11237, 12559, 15827, 22474, 25118, 31654, 32389, 64778, 78659, 87913, 157318, 175826, 213503, 427006, 550613, 615391, 1101226, 1230782, 1494521, 2989042, 10461647, 20923294]

約数ペア:

[(1, 20923294), (2, 10461647), (7, 2989042), (14, 1494521), (17, 1230782), (19, 1101226), (34, 615391), (38, 550613), (49, 427006), (98, 213503), (119, 175826), (133, 157318), (238, 87913), (266, 78659), (323, 64778), (646, 32389), (661, 31654), (833, 25118), (931, 22474), (1322, 15827), (1666, 12559), (1862, 11237), (2261, 9254), (4522, 4627)]