20120497917

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{28283}}^1$

素因数の和:28382

約数の個数: 64

約数和(自身を含む): 32501710080

約数和(自身を除く): 12381212163

約数列:

[1, 3, 13, 17, 29, 37, 39, 51, 87, 111, 221, 377, 481, 493, 629, 663, 1073, 1131, 1443, 1479, 1887, 3219, 6409, 8177, 13949, 18241, 19227, 24531, 28283, 41847, 54723, 84849, 237133, 367679, 480811, 711399, 820207, 1046471, 1103037, 1442433, 2460621, 3139413, 6250543, 10662691, 13604123, 13943519, 17790007, 18751629, 30347659, 31988073, 40812369, 41830557, 53370021, 91042977, 181265747, 231270091, 394519567, 515910203, 543797241, 693810273, 1183558701, 1547730609, 6706832639, 20120497917]

約数ペア:

[(1, 20120497917), (3, 6706832639), (13, 1547730609), (17, 1183558701), (29, 693810273), (37, 543797241), (39, 515910203), (51, 394519567), (87, 231270091), (111, 181265747), (221, 91042977), (377, 53370021), (481, 41830557), (493, 40812369), (629, 31988073), (663, 30347659), (1073, 18751629), (1131, 17790007), (1443, 13943519), (1479, 13604123), (1887, 10662691), (3219, 6250543), (6409, 3139413), (8177, 2460621), (13949, 1442433), (18241, 1103037), (19227, 1046471), (24531, 820207), (28283, 711399), (41847, 480811), (54723, 367679), (84849, 237133)]