20235376

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2287}}^1$

素因数の和:2381

約数の個数: 40

約数和(自身を含む): 45393920

約数和(自身を除く): 25158544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 2287, 4424, 4574, 8848, 9148, 16009, 18296, 32018, 36592, 64036, 128072, 180673, 256144, 361346, 722692, 1264711, 1445384, 2529422, 2890768, 5058844, 10117688, 20235376]

約数ペア:

[(1, 20235376), (2, 10117688), (4, 5058844), (7, 2890768), (8, 2529422), (14, 1445384), (16, 1264711), (28, 722692), (56, 361346), (79, 256144), (112, 180673), (158, 128072), (316, 64036), (553, 36592), (632, 32018), (1106, 18296), (1264, 16009), (2212, 9148), (2287, 8848), (4424, 4574)]