20899681425

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{260189}}^1$

素因数の和:260232

約数の個数: 96

約数和(自身を含む): 46459526400

約数和(自身を除く): 25559844975

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 35, 45, 51, 63, 75, 85, 105, 119, 135, 153, 175, 189, 225, 255, 315, 357, 425, 459, 525, 595, 675, 765, 945, 1071, 1275, 1575, 1785, 2295, 2975, 3213, 3825, 4725, 5355, 8925, 11475, 16065, 26775, 80325, 260189, 780567, 1300945, 1821323, 2341701, 3902835, 4423213, 5463969, 6504725, 7025103, 9106615, 11708505, 13269639, 16391907, 19514175, 22116065, 27319845, 30962491, 35125515, 39808917, 45533075, 49175721, 58542525, 66348195, 81959535, 92887473, 110580325, 119426751, 136599225, 154812455, 175627575, 199044585, 245878605, 278662419, 331740975, 409797675, 464437365, 597133755, 774062275, 835987257, 995222925, 1229393025, 1393312095, 2322186825, 2985668775, 4179936285, 6966560475, 20899681425]

約数ペア:

[(1, 20899681425), (3, 6966560475), (5, 4179936285), (7, 2985668775), (9, 2322186825), (15, 1393312095), (17, 1229393025), (21, 995222925), (25, 835987257), (27, 774062275), (35, 597133755), (45, 464437365), (51, 409797675), (63, 331740975), (75, 278662419), (85, 245878605), (105, 199044585), (119, 175627575), (135, 154812455), (153, 136599225), (175, 119426751), (189, 110580325), (225, 92887473), (255, 81959535), (315, 66348195), (357, 58542525), (425, 49175721), (459, 45533075), (525, 39808917), (595, 35125515), (675, 30962491), (765, 27319845), (945, 22116065), (1071, 19514175), (1275, 16391907), (1575, 13269639), (1785, 11708505), (2295, 9106615), (2975, 7025103), (3213, 6504725), (3825, 5463969), (4725, 4423213), (5355, 3902835), (8925, 2341701), (11475, 1821323), (16065, 1300945), (26775, 780567), (80325, 260189)]