20835808

素因数分解:

$2^5\times 7^1\times {\mathrm{191}}^1\times {\mathrm{487}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 47222784

約数和(自身を除く): 26386976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 191, 224, 382, 487, 764, 974, 1337, 1528, 1948, 2674, 3056, 3409, 3896, 5348, 6112, 6818, 7792, 10696, 13636, 15584, 21392, 27272, 42784, 54544, 93017, 109088, 186034, 372068, 651119, 744136, 1302238, 1488272, 2604476, 2976544, 5208952, 10417904, 20835808]

約数ペア:

[(1, 20835808), (2, 10417904), (4, 5208952), (7, 2976544), (8, 2604476), (14, 1488272), (16, 1302238), (28, 744136), (32, 651119), (56, 372068), (112, 186034), (191, 109088), (224, 93017), (382, 54544), (487, 42784), (764, 27272), (974, 21392), (1337, 15584), (1528, 13636), (1948, 10696), (2674, 7792), (3056, 6818), (3409, 6112), (3896, 5348)]