20049780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2213}}^1$

素因数の和:2376

約数の個数: 48

約数和(自身を含む): 56536704

約数和(自身を除く): 36486924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 151, 302, 453, 604, 755, 906, 1510, 1812, 2213, 2265, 3020, 4426, 4530, 6639, 8852, 9060, 11065, 13278, 22130, 26556, 33195, 44260, 66390, 132780, 334163, 668326, 1002489, 1336652, 1670815, 2004978, 3341630, 4009956, 5012445, 6683260, 10024890, 20049780]

約数ペア:

[(1, 20049780), (2, 10024890), (3, 6683260), (4, 5012445), (5, 4009956), (6, 3341630), (10, 2004978), (12, 1670815), (15, 1336652), (20, 1002489), (30, 668326), (60, 334163), (151, 132780), (302, 66390), (453, 44260), (604, 33195), (755, 26556), (906, 22130), (1510, 13278), (1812, 11065), (2213, 9060), (2265, 8852), (3020, 6639), (4426, 4530)]