20306748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21977}}^1$

素因数の和:22002

約数の個数: 48

約数和(自身を含む): 59076864

約数和(自身を除く): 38770116

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 21977, 43954, 65931, 87908, 131862, 153839, 241747, 263724, 307678, 461517, 483494, 615356, 725241, 923034, 966988, 1450482, 1692229, 1846068, 2900964, 3384458, 5076687, 6768916, 10153374, 20306748]

約数ペア:

[(1, 20306748), (2, 10153374), (3, 6768916), (4, 5076687), (6, 3384458), (7, 2900964), (11, 1846068), (12, 1692229), (14, 1450482), (21, 966988), (22, 923034), (28, 725241), (33, 615356), (42, 483494), (44, 461517), (66, 307678), (77, 263724), (84, 241747), (132, 153839), (154, 131862), (231, 87908), (308, 65931), (462, 43954), (924, 21977)]