20367256

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 47638080

約数和(自身を除く): 27270824

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 101, 104, 182, 202, 277, 364, 404, 554, 707, 728, 808, 1108, 1313, 1414, 1939, 2216, 2626, 2828, 3601, 3878, 5252, 5656, 7202, 7756, 9191, 10504, 14404, 15512, 18382, 25207, 27977, 28808, 36764, 50414, 55954, 73528, 100828, 111908, 195839, 201656, 223816, 363701, 391678, 727402, 783356, 1454804, 1566712, 2545907, 2909608, 5091814, 10183628, 20367256]

約数ペア:

[(1, 20367256), (2, 10183628), (4, 5091814), (7, 2909608), (8, 2545907), (13, 1566712), (14, 1454804), (26, 783356), (28, 727402), (52, 391678), (56, 363701), (91, 223816), (101, 201656), (104, 195839), (182, 111908), (202, 100828), (277, 73528), (364, 55954), (404, 50414), (554, 36764), (707, 28808), (728, 27977), (808, 25207), (1108, 18382), (1313, 15512), (1414, 14404), (1939, 10504), (2216, 9191), (2626, 7756), (2828, 7202), (3601, 5656), (3878, 5252)]