20812088

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3331}}^1$

素因数の和:3419

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 22370632

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 3331, 6248, 6662, 13324, 26648, 36641, 73282, 146564, 236501, 293128, 473002, 946004, 1892008, 2601511, 5203022, 10406044, 20812088]

約数ペア:

[(1, 20812088), (2, 10406044), (4, 5203022), (8, 2601511), (11, 1892008), (22, 946004), (44, 473002), (71, 293128), (88, 236501), (142, 146564), (284, 73282), (568, 36641), (781, 26648), (1562, 13324), (3124, 6662), (3331, 6248)]