20204764503

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1553}}^1\times {\mathrm{3313}}^1$

素因数の和:4904

約数の個数: 64

約数和(自身を含む): 35596495872

約数和(自身を除く): 15391731369

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 1553, 3313, 3927, 4659, 9939, 10871, 17083, 23191, 26401, 32613, 36443, 51249, 56321, 69573, 79203, 109329, 119581, 168963, 184807, 255101, 290411, 358743, 394247, 554421, 619531, 765303, 871233, 1182741, 1858593, 2032877, 4336717, 5145089, 6098631, 13010151, 15435267, 36015623, 56595979, 87466513, 108046869, 169787937, 262399539, 396171853, 612265591, 962131643, 1188515559, 1836796773, 2886394929, 6734921501, 20204764503]

約数ペア:

[(1, 20204764503), (3, 6734921501), (7, 2886394929), (11, 1836796773), (17, 1188515559), (21, 962131643), (33, 612265591), (51, 396171853), (77, 262399539), (119, 169787937), (187, 108046869), (231, 87466513), (357, 56595979), (561, 36015623), (1309, 15435267), (1553, 13010151), (3313, 6098631), (3927, 5145089), (4659, 4336717), (9939, 2032877), (10871, 1858593), (17083, 1182741), (23191, 871233), (26401, 765303), (32613, 619531), (36443, 554421), (51249, 394247), (56321, 358743), (69573, 290411), (79203, 255101), (109329, 184807), (119581, 168963)]