20123774960

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3030689}}^1$

素因数の和:3030785

約数の個数: 40

約数和(自身を含む): 47351500560

約数和(自身を除く): 27227725600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 3030689, 6061378, 12122756, 15153445, 24245512, 30306890, 48491024, 60613780, 121227560, 242455120, 251547187, 503094374, 1006188748, 1257735935, 2012377496, 2515471870, 4024754992, 5030943740, 10061887480, 20123774960]

約数ペア:

[(1, 20123774960), (2, 10061887480), (4, 5030943740), (5, 4024754992), (8, 2515471870), (10, 2012377496), (16, 1257735935), (20, 1006188748), (40, 503094374), (80, 251547187), (83, 242455120), (166, 121227560), (332, 60613780), (415, 48491024), (664, 30306890), (830, 24245512), (1328, 15153445), (1660, 12122756), (3320, 6061378), (6640, 3030689)]