20833320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1402

約数の個数: 64

約数和(自身を含む): 63000000

約数和(自身を除く): 42166680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 139, 278, 417, 556, 695, 834, 1112, 1249, 1390, 1668, 2085, 2498, 2780, 3336, 3747, 4170, 4996, 5560, 6245, 7494, 8340, 9992, 12490, 14988, 16680, 18735, 24980, 29976, 37470, 49960, 74940, 149880, 173611, 347222, 520833, 694444, 868055, 1041666, 1388888, 1736110, 2083332, 2604165, 3472220, 4166664, 5208330, 6944440, 10416660, 20833320]

約数ペア:

[(1, 20833320), (2, 10416660), (3, 6944440), (4, 5208330), (5, 4166664), (6, 3472220), (8, 2604165), (10, 2083332), (12, 1736110), (15, 1388888), (20, 1041666), (24, 868055), (30, 694444), (40, 520833), (60, 347222), (120, 173611), (139, 149880), (278, 74940), (417, 49960), (556, 37470), (695, 29976), (834, 24980), (1112, 18735), (1249, 16680), (1390, 14988), (1668, 12490), (2085, 9992), (2498, 8340), (2780, 7494), (3336, 6245), (3747, 5560), (4170, 4996)]