20571152

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3011}}^1$

素因数の和:3087

約数の個数: 40

約数和(自身を含む): 46312512

約数和(自身を除く): 25741360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3011, 3416, 6022, 6832, 12044, 21077, 24088, 42154, 48176, 84308, 168616, 183671, 337232, 367342, 734684, 1285697, 1469368, 2571394, 2938736, 5142788, 10285576, 20571152]

約数ペア:

[(1, 20571152), (2, 10285576), (4, 5142788), (7, 2938736), (8, 2571394), (14, 1469368), (16, 1285697), (28, 734684), (56, 367342), (61, 337232), (112, 183671), (122, 168616), (244, 84308), (427, 48176), (488, 42154), (854, 24088), (976, 21077), (1708, 12044), (3011, 6832), (3416, 6022)]