20187966700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1668427}}^1$

素因数の和:1668463

約数の個数: 54

約数和(自身を含む): 48152500508

約数和(自身を除く): 27964533808

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2420, 3025, 6050, 12100, 1668427, 3336854, 6673708, 8342135, 16684270, 18352697, 33368540, 36705394, 41710675, 73410788, 83421350, 91763485, 166842700, 183526970, 201879667, 367053940, 403759334, 458817425, 807518668, 917634850, 1009398335, 1835269700, 2018796670, 4037593340, 5046991675, 10093983350, 20187966700]

約数ペア:

[(1, 20187966700), (2, 10093983350), (4, 5046991675), (5, 4037593340), (10, 2018796670), (11, 1835269700), (20, 1009398335), (22, 917634850), (25, 807518668), (44, 458817425), (50, 403759334), (55, 367053940), (100, 201879667), (110, 183526970), (121, 166842700), (220, 91763485), (242, 83421350), (275, 73410788), (484, 41710675), (550, 36705394), (605, 33368540), (1100, 18352697), (1210, 16684270), (2420, 8342135), (3025, 6673708), (6050, 3336854), (12100, 1668427)]