20956488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1579}}^1$

素因数の和:1674

約数の個数: 64

約数和(自身を含む): 60672000

約数和(自身を除く): 39715512

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 316, 474, 553, 632, 948, 1106, 1579, 1659, 1896, 2212, 3158, 3318, 4424, 4737, 6316, 6636, 9474, 11053, 12632, 13272, 18948, 22106, 33159, 37896, 44212, 66318, 88424, 124741, 132636, 249482, 265272, 374223, 498964, 748446, 873187, 997928, 1496892, 1746374, 2619561, 2993784, 3492748, 5239122, 6985496, 10478244, 20956488]

約数ペア:

[(1, 20956488), (2, 10478244), (3, 6985496), (4, 5239122), (6, 3492748), (7, 2993784), (8, 2619561), (12, 1746374), (14, 1496892), (21, 997928), (24, 873187), (28, 748446), (42, 498964), (56, 374223), (79, 265272), (84, 249482), (158, 132636), (168, 124741), (237, 88424), (316, 66318), (474, 44212), (553, 37896), (632, 33159), (948, 22106), (1106, 18948), (1579, 13272), (1659, 12632), (1896, 11053), (2212, 9474), (3158, 6636), (3318, 6316), (4424, 4737)]