20176045825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1193}}^1\times {\mathrm{3061}}^1$

素因数の和:4294

約数の個数: 48

約数和(自身を含む): 28560890736

約数和(自身を除く): 8384844911

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 1193, 3061, 5525, 5965, 15305, 15509, 20281, 29825, 39793, 52037, 76525, 77545, 101405, 198965, 260185, 263653, 387725, 507025, 676481, 994825, 1300925, 1318265, 3382405, 3651773, 6591325, 16912025, 18258865, 47473049, 62080141, 91294325, 237365245, 310400705, 807041833, 1186826225, 1552003525, 4035209165, 20176045825]

約数ペア:

[(1, 20176045825), (5, 4035209165), (13, 1552003525), (17, 1186826225), (25, 807041833), (65, 310400705), (85, 237365245), (221, 91294325), (325, 62080141), (425, 47473049), (1105, 18258865), (1193, 16912025), (3061, 6591325), (5525, 3651773), (5965, 3382405), (15305, 1318265), (15509, 1300925), (20281, 994825), (29825, 676481), (39793, 507025), (52037, 387725), (76525, 263653), (77545, 260185), (101405, 198965)]