20502270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2129}}^1$

素因数の和:2249

約数の個数: 48

約数和(自身を含む): 53829360

約数和(自身を除く): 33327090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 107, 214, 321, 535, 642, 963, 1070, 1605, 1926, 2129, 3210, 4258, 4815, 6387, 9630, 10645, 12774, 19161, 21290, 31935, 38322, 63870, 95805, 191610, 227803, 455606, 683409, 1139015, 1366818, 2050227, 2278030, 3417045, 4100454, 6834090, 10251135, 20502270]

約数ペア:

[(1, 20502270), (2, 10251135), (3, 6834090), (5, 4100454), (6, 3417045), (9, 2278030), (10, 2050227), (15, 1366818), (18, 1139015), (30, 683409), (45, 455606), (90, 227803), (107, 191610), (214, 95805), (321, 63870), (535, 38322), (642, 31935), (963, 21290), (1070, 19161), (1605, 12774), (1926, 10645), (2129, 9630), (3210, 6387), (4258, 4815)]