20885850

素因数分解:

$2^1\times 3^7\times 5^2\times {\mathrm{191}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 58567680

約数和(自身を除く): 37681830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 191, 225, 243, 270, 382, 405, 450, 486, 573, 675, 729, 810, 955, 1146, 1215, 1350, 1458, 1719, 1910, 2025, 2187, 2430, 2865, 3438, 3645, 4050, 4374, 4775, 5157, 5730, 6075, 7290, 8595, 9550, 10314, 10935, 12150, 14325, 15471, 17190, 18225, 21870, 25785, 28650, 30942, 36450, 42975, 46413, 51570, 54675, 77355, 85950, 92826, 109350, 128925, 139239, 154710, 232065, 257850, 278478, 386775, 417717, 464130, 696195, 773550, 835434, 1160325, 1392390, 2088585, 2320650, 3480975, 4177170, 6961950, 10442925, 20885850]

約数ペア:

[(1, 20885850), (2, 10442925), (3, 6961950), (5, 4177170), (6, 3480975), (9, 2320650), (10, 2088585), (15, 1392390), (18, 1160325), (25, 835434), (27, 773550), (30, 696195), (45, 464130), (50, 417717), (54, 386775), (75, 278478), (81, 257850), (90, 232065), (135, 154710), (150, 139239), (162, 128925), (191, 109350), (225, 92826), (243, 85950), (270, 77355), (382, 54675), (405, 51570), (450, 46413), (486, 42975), (573, 36450), (675, 30942), (729, 28650), (810, 25785), (955, 21870), (1146, 18225), (1215, 17190), (1350, 15471), (1458, 14325), (1719, 12150), (1910, 10935), (2025, 10314), (2187, 9550), (2430, 8595), (2865, 7290), (3438, 6075), (3645, 5730), (4050, 5157), (4374, 4775)]