20551706

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15736294

約数列:

[1, 2, 7, 14, 59, 118, 139, 179, 278, 358, 413, 826, 973, 1253, 1946, 2506, 8201, 10561, 16402, 21122, 24881, 49762, 57407, 73927, 114814, 147854, 174167, 348334, 1467979, 2935958, 10275853, 20551706]

約数ペア:

[(1, 20551706), (2, 10275853), (7, 2935958), (14, 1467979), (59, 348334), (118, 174167), (139, 147854), (179, 114814), (278, 73927), (358, 57407), (413, 49762), (826, 24881), (973, 21122), (1253, 16402), (1946, 10561), (2506, 8201)]