20187324820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4086503}}^1$

素因数の和:4086544

約数の個数: 48

約数和(自身を含む): 48057287040

約数和(自身を除く): 27869962220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 4086503, 8173006, 16346012, 20432515, 40865030, 53124539, 77643557, 81730060, 106249078, 155287114, 212498156, 265622695, 310574228, 388217785, 531245390, 776435570, 1009366241, 1062490780, 1552871140, 2018732482, 4037464964, 5046831205, 10093662410, 20187324820]

約数ペア:

[(1, 20187324820), (2, 10093662410), (4, 5046831205), (5, 4037464964), (10, 2018732482), (13, 1552871140), (19, 1062490780), (20, 1009366241), (26, 776435570), (38, 531245390), (52, 388217785), (65, 310574228), (76, 265622695), (95, 212498156), (130, 155287114), (190, 106249078), (247, 81730060), (260, 77643557), (380, 53124539), (494, 40865030), (988, 20432515), (1235, 16346012), (2470, 8173006), (4940, 4086503)]