20742534

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{12391}}^1$

素因数の和:12433

約数の個数: 32

約数和(自身を含む): 47585280

約数和(自身を除く): 26842746

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 12391, 24782, 37173, 74346, 111519, 223038, 334557, 384121, 669114, 768242, 1152363, 2304726, 3457089, 6914178, 10371267, 20742534]

約数ペア:

[(1, 20742534), (2, 10371267), (3, 6914178), (6, 3457089), (9, 2304726), (18, 1152363), (27, 768242), (31, 669114), (54, 384121), (62, 334557), (93, 223038), (186, 111519), (279, 74346), (558, 37173), (837, 24782), (1674, 12391)]