20154991665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1777}}^1\times {\mathrm{2341}}^1$

素因数の和:4162

約数の個数: 64

約数和(自身を含む): 35977616640

約数和(自身を除く): 15822624975

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 1777, 2341, 4845, 5331, 7023, 8885, 11705, 26655, 30209, 33763, 35115, 39797, 44479, 90627, 101289, 119391, 133437, 151045, 168815, 198985, 222395, 453135, 506445, 573971, 596955, 667185, 756143, 1721913, 2268429, 2869855, 3780715, 4159957, 8609565, 11342145, 12479871, 20799785, 62399355, 70719269, 79039183, 212157807, 237117549, 353596345, 395195915, 1060789035, 1185587745, 1343666111, 4030998333, 6718330555, 20154991665]

約数ペア:

[(1, 20154991665), (3, 6718330555), (5, 4030998333), (15, 1343666111), (17, 1185587745), (19, 1060789035), (51, 395195915), (57, 353596345), (85, 237117549), (95, 212157807), (255, 79039183), (285, 70719269), (323, 62399355), (969, 20799785), (1615, 12479871), (1777, 11342145), (2341, 8609565), (4845, 4159957), (5331, 3780715), (7023, 2869855), (8885, 2268429), (11705, 1721913), (26655, 756143), (30209, 667185), (33763, 596955), (35115, 573971), (39797, 506445), (44479, 453135), (90627, 222395), (101289, 198985), (119391, 168815), (133437, 151045)]