20396628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2791}}^1$

素因数の和:2837

約数の個数: 72

約数和(自身を含む): 60977280

約数和(自身を除く): 40580652

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2791, 3654, 5582, 7308, 8373, 11164, 16746, 19537, 25119, 33492, 39074, 50238, 58611, 78148, 80939, 100476, 117222, 161878, 175833, 234444, 242817, 323756, 351666, 485634, 566573, 703332, 728451, 971268, 1133146, 1456902, 1699719, 2266292, 2913804, 3399438, 5099157, 6798876, 10198314, 20396628]

約数ペア:

[(1, 20396628), (2, 10198314), (3, 6798876), (4, 5099157), (6, 3399438), (7, 2913804), (9, 2266292), (12, 1699719), (14, 1456902), (18, 1133146), (21, 971268), (28, 728451), (29, 703332), (36, 566573), (42, 485634), (58, 351666), (63, 323756), (84, 242817), (87, 234444), (116, 175833), (126, 161878), (174, 117222), (203, 100476), (252, 80939), (261, 78148), (348, 58611), (406, 50238), (522, 39074), (609, 33492), (812, 25119), (1044, 19537), (1218, 16746), (1827, 11164), (2436, 8373), (2791, 7308), (3654, 5582)]