20484150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 55844640

約数和(自身を除く): 35360490

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 29, 30, 34, 50, 51, 58, 75, 85, 87, 102, 145, 150, 170, 174, 255, 277, 290, 425, 435, 493, 510, 554, 725, 831, 850, 870, 986, 1275, 1385, 1450, 1479, 1662, 2175, 2465, 2550, 2770, 2958, 4155, 4350, 4709, 4930, 6925, 7395, 8033, 8310, 9418, 12325, 13850, 14127, 14790, 16066, 20775, 23545, 24099, 24650, 28254, 36975, 40165, 41550, 47090, 48198, 70635, 73950, 80330, 117725, 120495, 136561, 141270, 200825, 235450, 240990, 273122, 353175, 401650, 409683, 602475, 682805, 706350, 819366, 1204950, 1365610, 2048415, 3414025, 4096830, 6828050, 10242075, 20484150]

約数ペア:

[(1, 20484150), (2, 10242075), (3, 6828050), (5, 4096830), (6, 3414025), (10, 2048415), (15, 1365610), (17, 1204950), (25, 819366), (29, 706350), (30, 682805), (34, 602475), (50, 409683), (51, 401650), (58, 353175), (75, 273122), (85, 240990), (87, 235450), (102, 200825), (145, 141270), (150, 136561), (170, 120495), (174, 117725), (255, 80330), (277, 73950), (290, 70635), (425, 48198), (435, 47090), (493, 41550), (510, 40165), (554, 36975), (725, 28254), (831, 24650), (850, 24099), (870, 23545), (986, 20775), (1275, 16066), (1385, 14790), (1450, 14127), (1479, 13850), (1662, 12325), (2175, 9418), (2465, 8310), (2550, 8033), (2770, 7395), (2958, 6925), (4155, 4930), (4350, 4709)]