20561850

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{5077}}^1$

素因数の和:5101

約数の個数: 60

約数和(自身を含む): 57142734

約数和(自身を除く): 36580884

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 270, 405, 450, 675, 810, 1350, 2025, 4050, 5077, 10154, 15231, 25385, 30462, 45693, 50770, 76155, 91386, 126925, 137079, 152310, 228465, 253850, 274158, 380775, 411237, 456930, 685395, 761550, 822474, 1142325, 1370790, 2056185, 2284650, 3426975, 4112370, 6853950, 10280925, 20561850]

約数ペア:

[(1, 20561850), (2, 10280925), (3, 6853950), (5, 4112370), (6, 3426975), (9, 2284650), (10, 2056185), (15, 1370790), (18, 1142325), (25, 822474), (27, 761550), (30, 685395), (45, 456930), (50, 411237), (54, 380775), (75, 274158), (81, 253850), (90, 228465), (135, 152310), (150, 137079), (162, 126925), (225, 91386), (270, 76155), (405, 50770), (450, 45693), (675, 30462), (810, 25385), (1350, 15231), (2025, 10154), (4050, 5077)]