20816028

素因数分解:

$2^2\times 3^4\times {\mathrm{41}}^1\times {\mathrm{1567}}^1$

素因数の和:1624

約数の個数: 60

約数和(自身を含む): 55780032

約数和(自身を除く): 34964004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 81, 82, 108, 123, 162, 164, 246, 324, 369, 492, 738, 1107, 1476, 1567, 2214, 3134, 3321, 4428, 4701, 6268, 6642, 9402, 13284, 14103, 18804, 28206, 42309, 56412, 64247, 84618, 126927, 128494, 169236, 192741, 253854, 256988, 385482, 507708, 578223, 770964, 1156446, 1734669, 2312892, 3469338, 5204007, 6938676, 10408014, 20816028]

約数ペア:

[(1, 20816028), (2, 10408014), (3, 6938676), (4, 5204007), (6, 3469338), (9, 2312892), (12, 1734669), (18, 1156446), (27, 770964), (36, 578223), (41, 507708), (54, 385482), (81, 256988), (82, 253854), (108, 192741), (123, 169236), (162, 128494), (164, 126927), (246, 84618), (324, 64247), (369, 56412), (492, 42309), (738, 28206), (1107, 18804), (1476, 14103), (1567, 13284), (2214, 9402), (3134, 6642), (3321, 6268), (4428, 4701)]