20199821247

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1765873}}^1$

素因数の和:1765951

約数の個数: 24

約数和(自身を含む): 30853350528

約数和(自身を除く): 10653529281

約数列:

[1, 3, 9, 31, 41, 93, 123, 279, 369, 1271, 3813, 11439, 1765873, 5297619, 15892857, 54742063, 72400793, 164226189, 217202379, 492678567, 651607137, 2244424583, 6733273749, 20199821247]

約数ペア:

[(1, 20199821247), (3, 6733273749), (9, 2244424583), (31, 651607137), (41, 492678567), (93, 217202379), (123, 164226189), (279, 72400793), (369, 54742063), (1271, 15892857), (3813, 5297619), (11439, 1765873)]