20565577995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{3583}}^1$

素因数の和:3872

約数の個数: 64

約数和(自身を含む): 34879832064

約数和(自身を除く): 14314254069

約数列:

[1, 3, 5, 15, 23, 69, 115, 127, 131, 345, 381, 393, 635, 655, 1905, 1965, 2921, 3013, 3583, 8763, 9039, 10749, 14605, 15065, 16637, 17915, 43815, 45195, 49911, 53745, 82409, 83185, 247227, 249555, 382651, 412045, 455041, 469373, 1147953, 1236135, 1365123, 1408119, 1913255, 2275205, 2346865, 5739765, 6825615, 7040595, 10465943, 10795579, 31397829, 32386737, 52329715, 53977895, 59610371, 156989145, 161933685, 178831113, 298051855, 894155565, 1371038533, 4113115599, 6855192665, 20565577995]

約数ペア:

[(1, 20565577995), (3, 6855192665), (5, 4113115599), (15, 1371038533), (23, 894155565), (69, 298051855), (115, 178831113), (127, 161933685), (131, 156989145), (345, 59610371), (381, 53977895), (393, 52329715), (635, 32386737), (655, 31397829), (1905, 10795579), (1965, 10465943), (2921, 7040595), (3013, 6825615), (3583, 5739765), (8763, 2346865), (9039, 2275205), (10749, 1913255), (14605, 1408119), (15065, 1365123), (16637, 1236135), (17915, 1147953), (43815, 469373), (45195, 455041), (49911, 412045), (53745, 382651), (82409, 249555), (83185, 247227)]