20171144

素因数分解:

$2^3\times 7^3\times {\mathrm{7351}}^1$

素因数の和:7378

約数の個数: 32

約数和(自身を含む): 44112000

約数和(自身を除く): 23940856

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 7351, 14702, 29404, 51457, 58808, 102914, 205828, 360199, 411656, 720398, 1440796, 2521393, 2881592, 5042786, 10085572, 20171144]

約数ペア:

[(1, 20171144), (2, 10085572), (4, 5042786), (7, 2881592), (8, 2521393), (14, 1440796), (28, 720398), (49, 411656), (56, 360199), (98, 205828), (196, 102914), (343, 58808), (392, 51457), (686, 29404), (1372, 14702), (2744, 7351)]