20574864

素因数分解:

$2^4\times 3^3\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:605

約数の個数: 80

約数和(自身を含む): 59787840

約数和(自身を除く): 39212976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 97, 108, 144, 194, 216, 291, 388, 432, 491, 582, 776, 873, 982, 1164, 1473, 1552, 1746, 1964, 2328, 2619, 2946, 3492, 3928, 4419, 4656, 5238, 5892, 6984, 7856, 8838, 10476, 11784, 13257, 13968, 17676, 20952, 23568, 26514, 35352, 41904, 47627, 53028, 70704, 95254, 106056, 142881, 190508, 212112, 285762, 381016, 428643, 571524, 762032, 857286, 1143048, 1285929, 1714572, 2286096, 2571858, 3429144, 5143716, 6858288, 10287432, 20574864]

約数ペア:

[(1, 20574864), (2, 10287432), (3, 6858288), (4, 5143716), (6, 3429144), (8, 2571858), (9, 2286096), (12, 1714572), (16, 1285929), (18, 1143048), (24, 857286), (27, 762032), (36, 571524), (48, 428643), (54, 381016), (72, 285762), (97, 212112), (108, 190508), (144, 142881), (194, 106056), (216, 95254), (291, 70704), (388, 53028), (432, 47627), (491, 41904), (582, 35352), (776, 26514), (873, 23568), (982, 20952), (1164, 17676), (1473, 13968), (1552, 13257), (1746, 11784), (1964, 10476), (2328, 8838), (2619, 7856), (2946, 6984), (3492, 5892), (3928, 5238), (4419, 4656)]