20515476

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{12479}}^1$

素因数の和:12623

約数の個数: 24

約数和(自身を含む): 48222720

約数和(自身を除く): 27707244

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 12479, 24958, 37437, 49916, 74874, 149748, 1709623, 3419246, 5128869, 6838492, 10257738, 20515476]

約数ペア:

[(1, 20515476), (2, 10257738), (3, 6838492), (4, 5128869), (6, 3419246), (12, 1709623), (137, 149748), (274, 74874), (411, 49916), (548, 37437), (822, 24958), (1644, 12479)]