20050357905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{633803}}^1$

素因数の和:633870

約数の個数: 48

約数和(自身を含む): 37571901120

約数和(自身を除く): 17521543215

約数列:

[1, 3, 5, 9, 15, 19, 37, 45, 57, 95, 111, 171, 185, 285, 333, 555, 703, 855, 1665, 2109, 3515, 6327, 10545, 31635, 633803, 1901409, 3169015, 5704227, 9507045, 12042257, 23450711, 28521135, 36126771, 60211285, 70352133, 108380313, 117253555, 180633855, 211056399, 351760665, 445563509, 541901565, 1055281995, 1336690527, 2227817545, 4010071581, 6683452635, 20050357905]

約数ペア:

[(1, 20050357905), (3, 6683452635), (5, 4010071581), (9, 2227817545), (15, 1336690527), (19, 1055281995), (37, 541901565), (45, 445563509), (57, 351760665), (95, 211056399), (111, 180633855), (171, 117253555), (185, 108380313), (285, 70352133), (333, 60211285), (555, 36126771), (703, 28521135), (855, 23450711), (1665, 12042257), (2109, 9507045), (3515, 5704227), (6327, 3169015), (10545, 1901409), (31635, 633803)]