20176985447420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3821}}^1\times {\mathrm{2336527}}^1$

素因数の和:2340470

約数の個数: 48

約数和(自身を含む): 42757845556608

約数和(自身を除く): 22580860109188

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 3821, 7642, 15284, 19105, 38210, 76420, 431773, 863546, 1727092, 2158865, 2336527, 4317730, 4673054, 8635460, 9346108, 11682635, 23365270, 46730540, 264027551, 528055102, 1056110204, 1320137755, 2640275510, 5280551020, 8927869667, 17855739334, 35711478668, 44639348335, 89278696670, 178557393340, 1008849272371, 2017698544742, 4035397089484, 5044246361855, 10088492723710, 20176985447420]

約数ペア:

[(1, 20176985447420), (2, 10088492723710), (4, 5044246361855), (5, 4035397089484), (10, 2017698544742), (20, 1008849272371), (113, 178557393340), (226, 89278696670), (452, 44639348335), (565, 35711478668), (1130, 17855739334), (2260, 8927869667), (3821, 5280551020), (7642, 2640275510), (15284, 1320137755), (19105, 1056110204), (38210, 528055102), (76420, 264027551), (431773, 46730540), (863546, 23365270), (1727092, 11682635), (2158865, 9346108), (2336527, 8635460), (4317730, 4673054)]