20919114

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20389}}^1$

素因数の和:20419

約数の個数: 32

約数和(自身を含む): 48936000

約数和(自身を除く): 28016886

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20389, 40778, 61167, 122334, 183501, 367002, 387391, 550503, 774782, 1101006, 1162173, 2324346, 3486519, 6973038, 10459557, 20919114]

約数ペア:

[(1, 20919114), (2, 10459557), (3, 6973038), (6, 3486519), (9, 2324346), (18, 1162173), (19, 1101006), (27, 774782), (38, 550503), (54, 387391), (57, 367002), (114, 183501), (171, 122334), (342, 61167), (513, 40778), (1026, 20389)]