20317586

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7621}}^1$

素因数の和:7697

約数の個数: 16

約数和(自身を含む): 32195328

約数和(自身を除く): 11877742

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 7621, 15242, 236251, 327703, 472502, 655406, 10158793, 20317586]

約数ペア:

[(1, 20317586), (2, 10158793), (31, 655406), (43, 472502), (62, 327703), (86, 236251), (1333, 15242), (2666, 7621)]