20128017852

素因数分解:

$2^2\times 3^2\times {\mathrm{173}}^1\times {\mathrm{1153}}^1\times {\mathrm{2803}}^1$

素因数の和:4139

約数の個数: 72

約数和(自身を含む): 51235910544

約数和(自身を除く): 31107892692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 173, 346, 519, 692, 1038, 1153, 1557, 2076, 2306, 2803, 3114, 3459, 4612, 5606, 6228, 6918, 8409, 10377, 11212, 13836, 16818, 20754, 25227, 33636, 41508, 50454, 100908, 199469, 398938, 484919, 598407, 797876, 969838, 1196814, 1454757, 1795221, 1939676, 2393628, 2909514, 3231859, 3590442, 4364271, 5819028, 6463718, 7180884, 8728542, 9695577, 12927436, 17457084, 19391154, 29086731, 38782308, 58173462, 116346924, 559111607, 1118223214, 1677334821, 2236446428, 3354669642, 5032004463, 6709339284, 10064008926, 20128017852]

約数ペア:

[(1, 20128017852), (2, 10064008926), (3, 6709339284), (4, 5032004463), (6, 3354669642), (9, 2236446428), (12, 1677334821), (18, 1118223214), (36, 559111607), (173, 116346924), (346, 58173462), (519, 38782308), (692, 29086731), (1038, 19391154), (1153, 17457084), (1557, 12927436), (2076, 9695577), (2306, 8728542), (2803, 7180884), (3114, 6463718), (3459, 5819028), (4612, 4364271), (5606, 3590442), (6228, 3231859), (6918, 2909514), (8409, 2393628), (10377, 1939676), (11212, 1795221), (13836, 1454757), (16818, 1196814), (20754, 969838), (25227, 797876), (33636, 598407), (41508, 484919), (50454, 398938), (100908, 199469)]