206520020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{50867}}^1$

素因数の和:50912

約数の個数: 48

約数和(自身を含む): 512749440

約数和(自身を除く): 306229420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 50867, 101734, 203468, 254335, 356069, 508670, 712138, 1017340, 1424276, 1475143, 1780345, 2950286, 3560690, 5900572, 7121380, 7375715, 10326001, 14751430, 20652002, 29502860, 41304004, 51630005, 103260010, 206520020]

約数ペア:

[(1, 206520020), (2, 103260010), (4, 51630005), (5, 41304004), (7, 29502860), (10, 20652002), (14, 14751430), (20, 10326001), (28, 7375715), (29, 7121380), (35, 5900572), (58, 3560690), (70, 2950286), (116, 1780345), (140, 1475143), (145, 1424276), (203, 1017340), (290, 712138), (406, 508670), (580, 356069), (812, 254335), (1015, 203468), (2030, 101734), (4060, 50867)]