20722958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 13629682

約数列:

[1, 2, 19, 38, 41, 47, 82, 94, 283, 566, 779, 893, 1558, 1786, 1927, 3854, 5377, 10754, 11603, 13301, 23206, 26602, 36613, 73226, 220457, 252719, 440914, 505438, 545341, 1090682, 10361479, 20722958]

約数ペア:

[(1, 20722958), (2, 10361479), (19, 1090682), (38, 545341), (41, 505438), (47, 440914), (82, 252719), (94, 220457), (283, 73226), (566, 36613), (779, 26602), (893, 23206), (1558, 13301), (1786, 11603), (1927, 10754), (3854, 5377)]