20983842

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{809}}^1$

素因数の和:959

約数の個数: 48

約数和(自身を含む): 50038560

約数和(自身を除く): 29054718

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 131, 198, 262, 393, 786, 809, 1179, 1441, 1618, 2358, 2427, 2882, 4323, 4854, 7281, 8646, 8899, 12969, 14562, 17798, 25938, 26697, 53394, 80091, 105979, 160182, 211958, 317937, 635874, 953811, 1165769, 1907622, 2331538, 3497307, 6994614, 10491921, 20983842]

約数ペア:

[(1, 20983842), (2, 10491921), (3, 6994614), (6, 3497307), (9, 2331538), (11, 1907622), (18, 1165769), (22, 953811), (33, 635874), (66, 317937), (99, 211958), (131, 160182), (198, 105979), (262, 80091), (393, 53394), (786, 26697), (809, 25938), (1179, 17798), (1441, 14562), (1618, 12969), (2358, 8899), (2427, 8646), (2882, 7281), (4323, 4854)]