20784777369

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^2$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 30477441600

約数和(自身を除く): 9692664231

約数列:

[1, 3, 19, 29, 57, 87, 157, 283, 471, 551, 849, 1653, 2983, 4553, 5377, 8207, 8949, 13659, 16131, 24621, 44431, 80089, 86507, 133293, 155933, 240267, 259521, 467799, 844189, 1288499, 1521691, 2322581, 2532567, 3865497, 4565073, 6967743, 12573973, 24481481, 37721919, 44129039, 73444443, 132387117, 238905487, 364645217, 716716461, 1093935651, 6928259123, 20784777369]

約数ペア:

[(1, 20784777369), (3, 6928259123), (19, 1093935651), (29, 716716461), (57, 364645217), (87, 238905487), (157, 132387117), (283, 73444443), (471, 44129039), (551, 37721919), (849, 24481481), (1653, 12573973), (2983, 6967743), (4553, 4565073), (5377, 3865497), (8207, 2532567), (8949, 2322581), (13659, 1521691), (16131, 1288499), (24621, 844189), (44431, 467799), (80089, 259521), (86507, 240267), (133293, 155933)]