20938566

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 46577664

約数和(自身を除く): 25639098

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 151, 191, 242, 302, 363, 382, 453, 573, 726, 906, 1146, 1661, 2101, 3322, 4202, 4983, 6303, 9966, 12606, 18271, 23111, 28841, 36542, 46222, 54813, 57682, 69333, 86523, 109626, 138666, 173046, 317251, 634502, 951753, 1903506, 3489761, 6979522, 10469283, 20938566]

約数ペア:

[(1, 20938566), (2, 10469283), (3, 6979522), (6, 3489761), (11, 1903506), (22, 951753), (33, 634502), (66, 317251), (121, 173046), (151, 138666), (191, 109626), (242, 86523), (302, 69333), (363, 57682), (382, 54813), (453, 46222), (573, 36542), (726, 28841), (906, 23111), (1146, 18271), (1661, 12606), (2101, 9966), (3322, 6303), (4202, 4983)]