20762892

素因数分解:

$2^2\times 3^5\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 55862352

約数和(自身を除く): 35099460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 81, 82, 108, 123, 162, 164, 243, 246, 324, 369, 486, 492, 521, 738, 972, 1042, 1107, 1476, 1563, 2084, 2214, 3126, 3321, 4428, 4689, 6252, 6642, 9378, 9963, 13284, 14067, 18756, 19926, 21361, 28134, 39852, 42201, 42722, 56268, 64083, 84402, 85444, 126603, 128166, 168804, 192249, 253206, 256332, 384498, 506412, 576747, 768996, 1153494, 1730241, 2306988, 3460482, 5190723, 6920964, 10381446, 20762892]

約数ペア:

[(1, 20762892), (2, 10381446), (3, 6920964), (4, 5190723), (6, 3460482), (9, 2306988), (12, 1730241), (18, 1153494), (27, 768996), (36, 576747), (41, 506412), (54, 384498), (81, 256332), (82, 253206), (108, 192249), (123, 168804), (162, 128166), (164, 126603), (243, 85444), (246, 84402), (324, 64083), (369, 56268), (486, 42722), (492, 42201), (521, 39852), (738, 28134), (972, 21361), (1042, 19926), (1107, 18756), (1476, 14067), (1563, 13284), (2084, 9963), (2214, 9378), (3126, 6642), (3321, 6252), (4428, 4689)]