20028082179

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:617

約数の個数: 96

約数和(自身を含む): 32659697664

約数和(自身を除く): 12631615485

約数列:

[1, 3, 7, 21, 43, 49, 53, 129, 147, 159, 191, 301, 313, 371, 573, 903, 939, 1113, 1337, 2107, 2191, 2279, 2597, 4011, 6321, 6573, 6837, 7791, 8213, 9359, 10123, 13459, 15337, 15953, 16589, 24639, 28077, 30369, 40377, 46011, 47859, 49767, 57491, 59783, 70861, 94213, 111671, 116123, 172473, 179349, 212583, 282639, 335013, 348369, 402437, 418481, 435289, 496027, 659491, 713327, 812861, 1207311, 1255443, 1305867, 1488081, 1978473, 2139981, 2438583, 2570669, 2929367, 3047023, 3168499, 4993289, 7712007, 8788101, 9141069, 9505497, 14979867, 17994683, 21329161, 22179493, 34953023, 53984049, 63987483, 66538479, 104859069, 125962781, 136245457, 155256451, 377888343, 408736371, 465769353, 953718199, 2861154597, 6676027393, 20028082179]

約数ペア:

[(1, 20028082179), (3, 6676027393), (7, 2861154597), (21, 953718199), (43, 465769353), (49, 408736371), (53, 377888343), (129, 155256451), (147, 136245457), (159, 125962781), (191, 104859069), (301, 66538479), (313, 63987483), (371, 53984049), (573, 34953023), (903, 22179493), (939, 21329161), (1113, 17994683), (1337, 14979867), (2107, 9505497), (2191, 9141069), (2279, 8788101), (2597, 7712007), (4011, 4993289), (6321, 3168499), (6573, 3047023), (6837, 2929367), (7791, 2570669), (8213, 2438583), (9359, 2139981), (10123, 1978473), (13459, 1488081), (15337, 1305867), (15953, 1255443), (16589, 1207311), (24639, 812861), (28077, 713327), (30369, 659491), (40377, 496027), (46011, 435289), (47859, 418481), (49767, 402437), (57491, 348369), (59783, 335013), (70861, 282639), (94213, 212583), (111671, 179349), (116123, 172473)]