20722135066

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1\times {\mathrm{2777}}^1$

素因数の和:3318

約数の個数: 32

約数和(自身を含む): 31826545920

約数和(自身を除く): 11104410854

約数列:

[1, 2, 67, 134, 233, 239, 466, 478, 2777, 5554, 15611, 16013, 31222, 32026, 55687, 111374, 186059, 372118, 647041, 663703, 1294082, 1327406, 3731029, 7462058, 43351747, 44468101, 86703494, 88936202, 154642799, 309285598, 10361067533, 20722135066]

約数ペア:

[(1, 20722135066), (2, 10361067533), (67, 309285598), (134, 154642799), (233, 88936202), (239, 86703494), (466, 44468101), (478, 43351747), (2777, 7462058), (5554, 3731029), (15611, 1327406), (16013, 1294082), (31222, 663703), (32026, 647041), (55687, 372118), (111374, 186059)]