20906631

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1187}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 32123520

約数和(自身を除く): 11216889

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 927, 1187, 1957, 3561, 5871, 10683, 17613, 22553, 67659, 122261, 202977, 366783, 1100349, 2322959, 6968877, 20906631]

約数ペア:

[(1, 20906631), (3, 6968877), (9, 2322959), (19, 1100349), (57, 366783), (103, 202977), (171, 122261), (309, 67659), (927, 22553), (1187, 17613), (1957, 10683), (3561, 5871)]