20627236

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 45964800

約数和(自身を除く): 25337564

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 49, 58, 76, 98, 116, 133, 191, 196, 203, 266, 382, 406, 532, 551, 764, 812, 931, 1102, 1337, 1421, 1862, 2204, 2674, 2842, 3629, 3724, 3857, 5348, 5539, 5684, 7258, 7714, 9359, 11078, 14516, 15428, 18718, 22156, 25403, 26999, 37436, 38773, 50806, 53998, 77546, 101612, 105241, 107996, 155092, 177821, 210482, 271411, 355642, 420964, 542822, 711284, 736687, 1085644, 1473374, 2946748, 5156809, 10313618, 20627236]

約数ペア:

[(1, 20627236), (2, 10313618), (4, 5156809), (7, 2946748), (14, 1473374), (19, 1085644), (28, 736687), (29, 711284), (38, 542822), (49, 420964), (58, 355642), (76, 271411), (98, 210482), (116, 177821), (133, 155092), (191, 107996), (196, 105241), (203, 101612), (266, 77546), (382, 53998), (406, 50806), (532, 38773), (551, 37436), (764, 26999), (812, 25403), (931, 22156), (1102, 18718), (1337, 15428), (1421, 14516), (1862, 11078), (2204, 9359), (2674, 7714), (2842, 7258), (3629, 5684), (3724, 5539), (3857, 5348)]