20893572

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{953}}^1$

素因数の和:1002

約数の個数: 96

約数和(自身を含む): 64108800

約数和(自身を除く): 43215228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 84, 87, 108, 116, 126, 174, 189, 203, 252, 261, 348, 378, 406, 522, 609, 756, 783, 812, 953, 1044, 1218, 1566, 1827, 1906, 2436, 2859, 3132, 3654, 3812, 5481, 5718, 6671, 7308, 8577, 10962, 11436, 13342, 17154, 20013, 21924, 25731, 26684, 27637, 34308, 40026, 51462, 55274, 60039, 80052, 82911, 102924, 110548, 120078, 165822, 180117, 193459, 240156, 248733, 331644, 360234, 386918, 497466, 580377, 720468, 746199, 773836, 994932, 1160754, 1492398, 1741131, 2321508, 2984796, 3482262, 5223393, 6964524, 10446786, 20893572]

約数ペア:

[(1, 20893572), (2, 10446786), (3, 6964524), (4, 5223393), (6, 3482262), (7, 2984796), (9, 2321508), (12, 1741131), (14, 1492398), (18, 1160754), (21, 994932), (27, 773836), (28, 746199), (29, 720468), (36, 580377), (42, 497466), (54, 386918), (58, 360234), (63, 331644), (84, 248733), (87, 240156), (108, 193459), (116, 180117), (126, 165822), (174, 120078), (189, 110548), (203, 102924), (252, 82911), (261, 80052), (348, 60039), (378, 55274), (406, 51462), (522, 40026), (609, 34308), (756, 27637), (783, 26684), (812, 25731), (953, 21924), (1044, 20013), (1218, 17154), (1566, 13342), (1827, 11436), (1906, 10962), (2436, 8577), (2859, 7308), (3132, 6671), (3654, 5718), (3812, 5481)]