20538252

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{3881}}^1$

素因数の和:3908

約数の個数: 72

約数和(自身を含む): 61956720

約数和(自身を除く): 41418468

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 3881, 5292, 7762, 11643, 15524, 23286, 27167, 34929, 46572, 54334, 69858, 81501, 104787, 108668, 139716, 163002, 190169, 209574, 244503, 326004, 380338, 419148, 489006, 570507, 733509, 760676, 978012, 1141014, 1467018, 1711521, 2282028, 2934036, 3423042, 5134563, 6846084, 10269126, 20538252]

約数ペア:

[(1, 20538252), (2, 10269126), (3, 6846084), (4, 5134563), (6, 3423042), (7, 2934036), (9, 2282028), (12, 1711521), (14, 1467018), (18, 1141014), (21, 978012), (27, 760676), (28, 733509), (36, 570507), (42, 489006), (49, 419148), (54, 380338), (63, 326004), (84, 244503), (98, 209574), (108, 190169), (126, 163002), (147, 139716), (189, 108668), (196, 104787), (252, 81501), (294, 69858), (378, 54334), (441, 46572), (588, 34929), (756, 27167), (882, 23286), (1323, 15524), (1764, 11643), (2646, 7762), (3881, 5292)]