20663100

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{2551}}^1$

素因数の和:2577

約数の個数: 90

約数和(自身を含む): 67007864

約数和(自身を除く): 46344764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2551, 2700, 4050, 5102, 7653, 8100, 10204, 12755, 15306, 22959, 25510, 30612, 38265, 45918, 51020, 63775, 68877, 76530, 91836, 114795, 127550, 137754, 153060, 191325, 206631, 229590, 255100, 275508, 344385, 382650, 413262, 459180, 573975, 688770, 765300, 826524, 1033155, 1147950, 1377540, 1721925, 2066310, 2295900, 3443850, 4132620, 5165775, 6887700, 10331550, 20663100]

約数ペア:

[(1, 20663100), (2, 10331550), (3, 6887700), (4, 5165775), (5, 4132620), (6, 3443850), (9, 2295900), (10, 2066310), (12, 1721925), (15, 1377540), (18, 1147950), (20, 1033155), (25, 826524), (27, 765300), (30, 688770), (36, 573975), (45, 459180), (50, 413262), (54, 382650), (60, 344385), (75, 275508), (81, 255100), (90, 229590), (100, 206631), (108, 191325), (135, 153060), (150, 137754), (162, 127550), (180, 114795), (225, 91836), (270, 76530), (300, 68877), (324, 63775), (405, 51020), (450, 45918), (540, 38265), (675, 30612), (810, 25510), (900, 22959), (1350, 15306), (1620, 12755), (2025, 10204), (2551, 8100), (2700, 7653), (4050, 5102)]