20161777948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{401}}^1\times {\mathrm{3109}}^1$

素因数の和:3838

約数の個数: 48

約数和(自身を含む): 38226726720

約数和(自身を除く): 18064948772

約数列:

[1, 2, 4, 13, 26, 52, 311, 401, 622, 802, 1244, 1604, 3109, 4043, 5213, 6218, 8086, 10426, 12436, 16172, 20852, 40417, 80834, 124711, 161668, 249422, 498844, 966899, 1246709, 1621243, 1933798, 2493418, 3242486, 3867596, 4986836, 6484972, 12569687, 16207217, 25139374, 32414434, 50278748, 64828868, 387726499, 775452998, 1550905996, 5040444487, 10080888974, 20161777948]

約数ペア:

[(1, 20161777948), (2, 10080888974), (4, 5040444487), (13, 1550905996), (26, 775452998), (52, 387726499), (311, 64828868), (401, 50278748), (622, 32414434), (802, 25139374), (1244, 16207217), (1604, 12569687), (3109, 6484972), (4043, 4986836), (5213, 3867596), (6218, 3242486), (8086, 2493418), (10426, 1933798), (12436, 1621243), (16172, 1246709), (20852, 966899), (40417, 498844), (80834, 249422), (124711, 161668)]