20128950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1091}}^1$

素因数の和:1150

約数の個数: 72

約数和(自身を含む): 55449576

約数和(自身を除く): 35320626

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 41, 45, 50, 75, 82, 90, 123, 150, 205, 225, 246, 369, 410, 450, 615, 738, 1025, 1091, 1230, 1845, 2050, 2182, 3075, 3273, 3690, 5455, 6150, 6546, 9225, 9819, 10910, 16365, 18450, 19638, 27275, 32730, 44731, 49095, 54550, 81825, 89462, 98190, 134193, 163650, 223655, 245475, 268386, 402579, 447310, 490950, 670965, 805158, 1118275, 1341930, 2012895, 2236550, 3354825, 4025790, 6709650, 10064475, 20128950]

約数ペア:

[(1, 20128950), (2, 10064475), (3, 6709650), (5, 4025790), (6, 3354825), (9, 2236550), (10, 2012895), (15, 1341930), (18, 1118275), (25, 805158), (30, 670965), (41, 490950), (45, 447310), (50, 402579), (75, 268386), (82, 245475), (90, 223655), (123, 163650), (150, 134193), (205, 98190), (225, 89462), (246, 81825), (369, 54550), (410, 49095), (450, 44731), (615, 32730), (738, 27275), (1025, 19638), (1091, 18450), (1230, 16365), (1845, 10910), (2050, 9819), (2182, 9225), (3075, 6546), (3273, 6150), (3690, 5455)]