16146820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 35054208

約数和(自身を除く): 18907388

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 137, 142, 166, 274, 284, 332, 355, 415, 548, 685, 710, 830, 1370, 1420, 1660, 2740, 5893, 9727, 11371, 11786, 19454, 22742, 23572, 29465, 38908, 45484, 48635, 56855, 58930, 97270, 113710, 117860, 194540, 227420, 807341, 1614682, 3229364, 4036705, 8073410, 16146820]

約数ペア:

[(1, 16146820), (2, 8073410), (4, 4036705), (5, 3229364), (10, 1614682), (20, 807341), (71, 227420), (83, 194540), (137, 117860), (142, 113710), (166, 97270), (274, 58930), (284, 56855), (332, 48635), (355, 45484), (415, 38908), (548, 29465), (685, 23572), (710, 22742), (830, 19454), (1370, 11786), (1420, 11371), (1660, 9727), (2740, 5893)]