20199442904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1\times {\mathrm{3001}}^1$

素因数の和:3420

約数の個数: 64

約数和(自身を含む): 39956379840

約数和(自身を除く): 19756936936

約数列:

[1, 2, 4, 8, 23, 46, 92, 157, 184, 233, 314, 466, 628, 932, 1256, 1864, 3001, 3611, 5359, 6002, 7222, 10718, 12004, 14444, 21436, 24008, 28888, 36581, 42872, 69023, 73162, 138046, 146324, 276092, 292648, 471157, 552184, 699233, 841363, 942314, 1398466, 1682726, 1884628, 2796932, 3365452, 3769256, 5593864, 6730904, 10836611, 16082359, 21673222, 32164718, 43346444, 64329436, 86692888, 109779581, 128658872, 219559162, 439118324, 878236648, 2524930363, 5049860726, 10099721452, 20199442904]

約数ペア:

[(1, 20199442904), (2, 10099721452), (4, 5049860726), (8, 2524930363), (23, 878236648), (46, 439118324), (92, 219559162), (157, 128658872), (184, 109779581), (233, 86692888), (314, 64329436), (466, 43346444), (628, 32164718), (932, 21673222), (1256, 16082359), (1864, 10836611), (3001, 6730904), (3611, 5593864), (5359, 3769256), (6002, 3365452), (7222, 2796932), (10718, 1884628), (12004, 1682726), (14444, 1398466), (21436, 942314), (24008, 841363), (28888, 699233), (36581, 552184), (42872, 471157), (69023, 292648), (73162, 276092), (138046, 146324)]