20165694993

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1\times {\mathrm{1279}}^1$

素因数の和:1770

約数の個数: 48

約数和(自身を含む): 30153277440

約数和(自身を除く): 9987582447

約数列:

[1, 3, 9, 43, 129, 131, 311, 387, 393, 933, 1179, 1279, 2799, 3837, 5633, 11511, 13373, 16899, 40119, 40741, 50697, 54997, 120357, 122223, 164991, 167549, 366669, 397769, 494973, 502647, 1193307, 1507941, 1751863, 3579921, 5255589, 7204607, 15766767, 17104067, 21613821, 51312201, 52107739, 64841463, 153936603, 156323217, 468969651, 2240632777, 6721898331, 20165694993]

約数ペア:

[(1, 20165694993), (3, 6721898331), (9, 2240632777), (43, 468969651), (129, 156323217), (131, 153936603), (311, 64841463), (387, 52107739), (393, 51312201), (933, 21613821), (1179, 17104067), (1279, 15766767), (2799, 7204607), (3837, 5255589), (5633, 3579921), (11511, 1751863), (13373, 1507941), (16899, 1193307), (40119, 502647), (40741, 494973), (50697, 397769), (54997, 366669), (120357, 167549), (122223, 164991)]