20209768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4289}}^1$

素因数の和:4345

約数の個数: 32

約数和(自身を含む): 41184000

約数和(自身を除く): 20974232

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 589, 1178, 2356, 4289, 4712, 8578, 17156, 34312, 81491, 132959, 162982, 265918, 325964, 531836, 651928, 1063672, 2526221, 5052442, 10104884, 20209768]

約数ペア:

[(1, 20209768), (2, 10104884), (4, 5052442), (8, 2526221), (19, 1063672), (31, 651928), (38, 531836), (62, 325964), (76, 265918), (124, 162982), (152, 132959), (248, 81491), (589, 34312), (1178, 17156), (2356, 8578), (4289, 4712)]