20196710978

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{463}}^1\times {\mathrm{1109}}^1$

素因数の和:1922

約数の個数: 32

約数和(自身を含む): 30927121920

約数和(自身を除く): 10730410942

約数列:

[1, 2, 71, 142, 277, 463, 554, 926, 1109, 2218, 19667, 32873, 39334, 65746, 78739, 128251, 157478, 256502, 307193, 513467, 614386, 1026934, 9105821, 18211642, 21810703, 36456157, 43621406, 72912314, 142230359, 284460718, 10098355489, 20196710978]

約数ペア:

[(1, 20196710978), (2, 10098355489), (71, 284460718), (142, 142230359), (277, 72912314), (463, 43621406), (554, 36456157), (926, 21810703), (1109, 18211642), (2218, 9105821), (19667, 1026934), (32873, 614386), (39334, 513467), (65746, 307193), (78739, 256502), (128251, 157478)]