20822158

素因数分解:

$2^1\times 7^3\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 36864000

約数和(自身を除く): 16041842

約数列:

[1, 2, 7, 14, 49, 98, 127, 239, 254, 343, 478, 686, 889, 1673, 1778, 3346, 6223, 11711, 12446, 23422, 30353, 43561, 60706, 81977, 87122, 163954, 212471, 424942, 1487297, 2974594, 10411079, 20822158]

約数ペア:

[(1, 20822158), (2, 10411079), (7, 2974594), (14, 1487297), (49, 424942), (98, 212471), (127, 163954), (239, 87122), (254, 81977), (343, 60706), (478, 43561), (686, 30353), (889, 23422), (1673, 12446), (1778, 11711), (3346, 6223)]