20164569033

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{2393}}^1$

素因数の和:2867

約数の個数: 64

約数和(自身を含む): 33094656000

約数和(自身を除く): 12930086967

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 431, 931, 1029, 1293, 2393, 2793, 3017, 6517, 7179, 8189, 9051, 16751, 19551, 21119, 24567, 45467, 50253, 57323, 63357, 117257, 136401, 147833, 171969, 318269, 351771, 401261, 443499, 820799, 954807, 1031383, 1203783, 2227883, 2462397, 2808827, 3094149, 6683649, 7219681, 8426481, 15595181, 19596277, 21659043, 46785543, 50537767, 58788831, 137173939, 151613301, 353764369, 411521817, 960217573, 1061293107, 2880652719, 6721523011, 20164569033]

約数ペア:

[(1, 20164569033), (3, 6721523011), (7, 2880652719), (19, 1061293107), (21, 960217573), (49, 411521817), (57, 353764369), (133, 151613301), (147, 137173939), (343, 58788831), (399, 50537767), (431, 46785543), (931, 21659043), (1029, 19596277), (1293, 15595181), (2393, 8426481), (2793, 7219681), (3017, 6683649), (6517, 3094149), (7179, 2808827), (8189, 2462397), (9051, 2227883), (16751, 1203783), (19551, 1031383), (21119, 954807), (24567, 820799), (45467, 443499), (50253, 401261), (57323, 351771), (63357, 318269), (117257, 171969), (136401, 147833)]