20878008

素因数分解:

$2^3\times 3^1\times {\mathrm{293}}^1\times {\mathrm{2969}}^1$

素因数の和:3271

約数の個数: 32

約数和(自身を含む): 52390800

約数和(自身を除く): 31512792

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 293, 586, 879, 1172, 1758, 2344, 2969, 3516, 5938, 7032, 8907, 11876, 17814, 23752, 35628, 71256, 869917, 1739834, 2609751, 3479668, 5219502, 6959336, 10439004, 20878008]

約数ペア:

[(1, 20878008), (2, 10439004), (3, 6959336), (4, 5219502), (6, 3479668), (8, 2609751), (12, 1739834), (24, 869917), (293, 71256), (586, 35628), (879, 23752), (1172, 17814), (1758, 11876), (2344, 8907), (2969, 7032), (3516, 5938)]