20204892

素因数分解:

$2^2\times 3^2\times {\mathrm{103}}^1\times {\mathrm{5449}}^1$

素因数の和:5562

約数の個数: 36

約数和(自身を含む): 51578800

約数和(自身を除く): 31373908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 103, 206, 309, 412, 618, 927, 1236, 1854, 3708, 5449, 10898, 16347, 21796, 32694, 49041, 65388, 98082, 196164, 561247, 1122494, 1683741, 2244988, 3367482, 5051223, 6734964, 10102446, 20204892]

約数ペア:

[(1, 20204892), (2, 10102446), (3, 6734964), (4, 5051223), (6, 3367482), (9, 2244988), (12, 1683741), (18, 1122494), (36, 561247), (103, 196164), (206, 98082), (309, 65388), (412, 49041), (618, 32694), (927, 21796), (1236, 16347), (1854, 10898), (3708, 5449)]