20365086

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{613}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 47877264

約数和(自身を除く): 27512178

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 113, 147, 226, 294, 339, 613, 678, 791, 1226, 1582, 1839, 2373, 3678, 4291, 4746, 5537, 8582, 11074, 12873, 16611, 25746, 30037, 33222, 60074, 69269, 90111, 138538, 180222, 207807, 415614, 484883, 969766, 1454649, 2909298, 3394181, 6788362, 10182543, 20365086]

約数ペア:

[(1, 20365086), (2, 10182543), (3, 6788362), (6, 3394181), (7, 2909298), (14, 1454649), (21, 969766), (42, 484883), (49, 415614), (98, 207807), (113, 180222), (147, 138538), (226, 90111), (294, 69269), (339, 60074), (613, 33222), (678, 30037), (791, 25746), (1226, 16611), (1582, 12873), (1839, 11074), (2373, 8582), (3678, 5537), (4291, 4746)]