20080308215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{34649}}^1$

素因数の和:34963

約数の個数: 32

約数和(自身を含む): 27033652800

約数和(自身を除く): 6953344585

約数列:

[1, 5, 11, 41, 55, 205, 257, 451, 1285, 2255, 2827, 10537, 14135, 34649, 52685, 115907, 173245, 381139, 579535, 1420609, 1905695, 7103045, 8904793, 15626699, 44523965, 78133495, 97952723, 365096513, 489763615, 1825482565, 4016061643, 20080308215]

約数ペア:

[(1, 20080308215), (5, 4016061643), (11, 1825482565), (41, 489763615), (55, 365096513), (205, 97952723), (257, 78133495), (451, 44523965), (1285, 15626699), (2255, 8904793), (2827, 7103045), (10537, 1905695), (14135, 1420609), (34649, 579535), (52685, 381139), (115907, 173245)]