20164408

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 42756840

約数和(自身を除く): 22592432

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 121, 148, 242, 296, 407, 484, 563, 814, 968, 1126, 1628, 2252, 3256, 4477, 4504, 6193, 8954, 12386, 17908, 20831, 24772, 35816, 41662, 49544, 68123, 83324, 136246, 166648, 229141, 272492, 458282, 544984, 916564, 1833128, 2520551, 5041102, 10082204, 20164408]

約数ペア:

[(1, 20164408), (2, 10082204), (4, 5041102), (8, 2520551), (11, 1833128), (22, 916564), (37, 544984), (44, 458282), (74, 272492), (88, 229141), (121, 166648), (148, 136246), (242, 83324), (296, 68123), (407, 49544), (484, 41662), (563, 35816), (814, 24772), (968, 20831), (1126, 17908), (1628, 12386), (2252, 8954), (3256, 6193), (4477, 4504)]