20199571428

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4305109}}^1$

素因数の和:4305156

約数の個数: 48

約数和(自身を含む): 52074610560

約数和(自身を除く): 31875039132

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 34, 46, 51, 68, 69, 92, 102, 138, 204, 276, 391, 782, 1173, 1564, 2346, 4692, 4305109, 8610218, 12915327, 17220436, 25830654, 51661308, 73186853, 99017507, 146373706, 198035014, 219560559, 292747412, 297052521, 396070028, 439121118, 594105042, 878242236, 1188210084, 1683297619, 3366595238, 5049892857, 6733190476, 10099785714, 20199571428]

約数ペア:

[(1, 20199571428), (2, 10099785714), (3, 6733190476), (4, 5049892857), (6, 3366595238), (12, 1683297619), (17, 1188210084), (23, 878242236), (34, 594105042), (46, 439121118), (51, 396070028), (68, 297052521), (69, 292747412), (92, 219560559), (102, 198035014), (138, 146373706), (204, 99017507), (276, 73186853), (391, 51661308), (782, 25830654), (1173, 17220436), (1564, 12915327), (2346, 8610218), (4692, 4305109)]