20533080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 62092800

約数和(自身を除く): 41559720

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, 1231, 1390, 1668, 2085, 2462, 2780, 3336, 3693, 4170, 4924, 5560, 6155, 7386, 8340, 9848, 12310, 14772, 16680, 18465, 24620, 29544, 36930, 49240, 73860, 147720, 171109, 342218, 513327, 684436, 855545, 1026654, 1368872, 1711090, 2053308, 2566635, 3422180, 4106616, 5133270, 6844360, 10266540, 20533080]

約数ペア:

[(1, 20533080), (2, 10266540), (3, 6844360), (4, 5133270), (5, 4106616), (6, 3422180), (8, 2566635), (10, 2053308), (12, 1711090), (15, 1368872), (20, 1026654), (24, 855545), (30, 684436), (40, 513327), (60, 342218), (120, 171109), (139, 147720), (278, 73860), (417, 49240), (556, 36930), (695, 29544), (834, 24620), (1112, 18465), (1231, 16680), (1390, 14772), (1668, 12310), (2085, 9848), (2462, 8340), (2780, 7386), (3336, 6155), (3693, 5560), (4170, 4924)]