20107976

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2741}}^1$

素因数の和:2885

約数の個数: 32

約数和(自身を含む): 43433280

約数和(自身を除く): 23325304

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 2741, 3668, 5482, 7336, 10964, 19187, 21928, 38374, 76748, 153496, 359071, 718142, 1436284, 2513497, 2872568, 5026994, 10053988, 20107976]

約数ペア:

[(1, 20107976), (2, 10053988), (4, 5026994), (7, 2872568), (8, 2513497), (14, 1436284), (28, 718142), (56, 359071), (131, 153496), (262, 76748), (524, 38374), (917, 21928), (1048, 19187), (1834, 10964), (2741, 7336), (3668, 5482)]