20844450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4211}}^1$

素因数の和:4240

約数の個数: 72

約数和(自身を含む): 61107696

約数和(自身を除く): 40263246

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 150, 165, 198, 225, 275, 330, 450, 495, 550, 825, 990, 1650, 2475, 4211, 4950, 8422, 12633, 21055, 25266, 37899, 42110, 46321, 63165, 75798, 92642, 105275, 126330, 138963, 189495, 210550, 231605, 277926, 315825, 378990, 416889, 463210, 631650, 694815, 833778, 947475, 1158025, 1389630, 1894950, 2084445, 2316050, 3474075, 4168890, 6948150, 10422225, 20844450]

約数ペア:

[(1, 20844450), (2, 10422225), (3, 6948150), (5, 4168890), (6, 3474075), (9, 2316050), (10, 2084445), (11, 1894950), (15, 1389630), (18, 1158025), (22, 947475), (25, 833778), (30, 694815), (33, 631650), (45, 463210), (50, 416889), (55, 378990), (66, 315825), (75, 277926), (90, 231605), (99, 210550), (110, 189495), (150, 138963), (165, 126330), (198, 105275), (225, 92642), (275, 75798), (330, 63165), (450, 46321), (495, 42110), (550, 37899), (825, 25266), (990, 21055), (1650, 12633), (2475, 8422), (4211, 4950)]