20403392

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:285

約数の個数: 56

約数和(自身を含む): 43013376

約数和(自身を除く): 22609984

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 83, 92, 166, 167, 184, 332, 334, 368, 664, 668, 736, 1328, 1336, 1472, 1909, 2656, 2672, 3818, 3841, 5312, 5344, 7636, 7682, 10688, 13861, 15272, 15364, 27722, 30544, 30728, 55444, 61088, 61456, 110888, 122176, 122912, 221776, 245824, 318803, 443552, 637606, 887104, 1275212, 2550424, 5100848, 10201696, 20403392]

約数ペア:

[(1, 20403392), (2, 10201696), (4, 5100848), (8, 2550424), (16, 1275212), (23, 887104), (32, 637606), (46, 443552), (64, 318803), (83, 245824), (92, 221776), (166, 122912), (167, 122176), (184, 110888), (332, 61456), (334, 61088), (368, 55444), (664, 30728), (668, 30544), (736, 27722), (1328, 15364), (1336, 15272), (1472, 13861), (1909, 10688), (2656, 7682), (2672, 7636), (3818, 5344), (3841, 5312)]