20156568152

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1\times {\mathrm{21503}}^1$

素因数の和:22416

約数の個数: 64

約数和(自身を含む): 45519667200

約数和(自身を除く): 25363099048

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 881, 1064, 1762, 3524, 6167, 7048, 12334, 16739, 21503, 24668, 33478, 43006, 49336, 66956, 86012, 117173, 133912, 150521, 172024, 234346, 301042, 408557, 468692, 602084, 817114, 937384, 1204168, 1634228, 2859899, 3268456, 5719798, 11439596, 18944143, 22879192, 37888286, 75776572, 132609001, 151553144, 265218002, 359938717, 530436004, 719877434, 1060872008, 1439754868, 2519571019, 2879509736, 5039142038, 10078284076, 20156568152]

約数ペア:

[(1, 20156568152), (2, 10078284076), (4, 5039142038), (7, 2879509736), (8, 2519571019), (14, 1439754868), (19, 1060872008), (28, 719877434), (38, 530436004), (56, 359938717), (76, 265218002), (133, 151553144), (152, 132609001), (266, 75776572), (532, 37888286), (881, 22879192), (1064, 18944143), (1762, 11439596), (3524, 5719798), (6167, 3268456), (7048, 2859899), (12334, 1634228), (16739, 1204168), (21503, 937384), (24668, 817114), (33478, 602084), (43006, 468692), (49336, 408557), (66956, 301042), (86012, 234346), (117173, 172024), (133912, 150521)]