20362965

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 64

約数和(自身を含む): 40089600

約数和(自身を除く): 19726635

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 59, 95, 105, 133, 173, 177, 285, 295, 399, 413, 519, 665, 865, 885, 1121, 1211, 1239, 1995, 2065, 2595, 3287, 3363, 3633, 5605, 6055, 6195, 7847, 9861, 10207, 16435, 16815, 18165, 23009, 23541, 30621, 39235, 49305, 51035, 69027, 71449, 115045, 117705, 153105, 193933, 214347, 345135, 357245, 581799, 969665, 1071735, 1357531, 2908995, 4072593, 6787655, 20362965]

約数ペア:

[(1, 20362965), (3, 6787655), (5, 4072593), (7, 2908995), (15, 1357531), (19, 1071735), (21, 969665), (35, 581799), (57, 357245), (59, 345135), (95, 214347), (105, 193933), (133, 153105), (173, 117705), (177, 115045), (285, 71449), (295, 69027), (399, 51035), (413, 49305), (519, 39235), (665, 30621), (865, 23541), (885, 23009), (1121, 18165), (1211, 16815), (1239, 16435), (1995, 10207), (2065, 9861), (2595, 7847), (3287, 6195), (3363, 6055), (3633, 5605)]