20960784

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{11197}}^1$

素因数の和:11224

約数の個数: 60

約数和(自身を含む): 63179116

約数和(自身を除く): 42218332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 11197, 22394, 33591, 44788, 67182, 89576, 100773, 134364, 145561, 179152, 201546, 268728, 291122, 403092, 436683, 537456, 582244, 806184, 873366, 1164488, 1310049, 1612368, 1746732, 2328976, 2620098, 3493464, 5240196, 6986928, 10480392, 20960784]

約数ペア:

[(1, 20960784), (2, 10480392), (3, 6986928), (4, 5240196), (6, 3493464), (8, 2620098), (9, 2328976), (12, 1746732), (13, 1612368), (16, 1310049), (18, 1164488), (24, 873366), (26, 806184), (36, 582244), (39, 537456), (48, 436683), (52, 403092), (72, 291122), (78, 268728), (104, 201546), (117, 179152), (144, 145561), (156, 134364), (208, 100773), (234, 89576), (312, 67182), (468, 44788), (624, 33591), (936, 22394), (1872, 11197)]