20213088405

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1\times {\mathrm{45361}}^1$

素因数の和:45917

約数の個数: 32

約数和(自身を含む): 32939344128

約数和(自身を除く): 12726255723

約数列:

[1, 3, 5, 15, 61, 183, 305, 487, 915, 1461, 2435, 7305, 29707, 45361, 89121, 136083, 148535, 226805, 445605, 680415, 2767021, 8301063, 13835105, 22090807, 41505315, 66272421, 110454035, 331362105, 1347539227, 4042617681, 6737696135, 20213088405]

約数ペア:

[(1, 20213088405), (3, 6737696135), (5, 4042617681), (15, 1347539227), (61, 331362105), (183, 110454035), (305, 66272421), (487, 41505315), (915, 22090807), (1461, 13835105), (2435, 8301063), (7305, 2767021), (29707, 680415), (45361, 445605), (89121, 226805), (136083, 148535)]