20629904

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 41749560

約数和(自身を除く): 21119656

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 173, 232, 257, 346, 464, 514, 692, 1028, 1384, 2056, 2768, 4112, 5017, 7453, 10034, 14906, 20068, 29812, 40136, 44461, 59624, 80272, 88922, 119248, 177844, 355688, 711376, 1289369, 2578738, 5157476, 10314952, 20629904]

約数ペア:

[(1, 20629904), (2, 10314952), (4, 5157476), (8, 2578738), (16, 1289369), (29, 711376), (58, 355688), (116, 177844), (173, 119248), (232, 88922), (257, 80272), (346, 59624), (464, 44461), (514, 40136), (692, 29812), (1028, 20068), (1384, 14906), (2056, 10034), (2768, 7453), (4112, 5017)]