20103618280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1\times {\mathrm{601}}^1$

素因数の和:1091

約数の個数: 128

約数和(自身を含む): 47872581120

約数和(自身を除く): 27768962840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 103, 115, 184, 206, 230, 353, 412, 460, 515, 601, 706, 824, 920, 1030, 1202, 1412, 1765, 2060, 2369, 2404, 2824, 3005, 3530, 4120, 4738, 4808, 6010, 7060, 8119, 9476, 11845, 12020, 13823, 14120, 16238, 18952, 23690, 24040, 27646, 32476, 36359, 40595, 47380, 55292, 61903, 64952, 69115, 72718, 81190, 94760, 110584, 123806, 138230, 145436, 162380, 181795, 212153, 247612, 276460, 290872, 309515, 324760, 363590, 424306, 495224, 552920, 619030, 727180, 836257, 848612, 1060765, 1238060, 1423769, 1454360, 1672514, 1697224, 2121530, 2476120, 2847538, 3345028, 4181285, 4243060, 4879519, 5695076, 6690056, 7118845, 8362570, 8486120, 9759038, 11390152, 14237690, 16725140, 19518076, 21851759, 24397595, 28475380, 33450280, 39036152, 43703518, 48795190, 56950760, 87407036, 97590380, 109258795, 174814072, 195180760, 218517590, 437035180, 502590457, 874070360, 1005180914, 2010361828, 2512952285, 4020723656, 5025904570, 10051809140, 20103618280]

約数ペア:

[(1, 20103618280), (2, 10051809140), (4, 5025904570), (5, 4020723656), (8, 2512952285), (10, 2010361828), (20, 1005180914), (23, 874070360), (40, 502590457), (46, 437035180), (92, 218517590), (103, 195180760), (115, 174814072), (184, 109258795), (206, 97590380), (230, 87407036), (353, 56950760), (412, 48795190), (460, 43703518), (515, 39036152), (601, 33450280), (706, 28475380), (824, 24397595), (920, 21851759), (1030, 19518076), (1202, 16725140), (1412, 14237690), (1765, 11390152), (2060, 9759038), (2369, 8486120), (2404, 8362570), (2824, 7118845), (3005, 6690056), (3530, 5695076), (4120, 4879519), (4738, 4243060), (4808, 4181285), (6010, 3345028), (7060, 2847538), (8119, 2476120), (9476, 2121530), (11845, 1697224), (12020, 1672514), (13823, 1454360), (14120, 1423769), (16238, 1238060), (18952, 1060765), (23690, 848612), (24040, 836257), (27646, 727180), (32476, 619030), (36359, 552920), (40595, 495224), (47380, 424306), (55292, 363590), (61903, 324760), (64952, 309515), (69115, 290872), (72718, 276460), (81190, 247612), (94760, 212153), (110584, 181795), (123806, 162380), (138230, 145436)]