20669190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 51508224

約数和(自身を除く): 30839034

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 107, 137, 141, 214, 235, 274, 282, 321, 411, 470, 535, 642, 685, 705, 822, 1070, 1370, 1410, 1605, 2055, 3210, 4110, 5029, 6439, 10058, 12878, 14659, 15087, 19317, 25145, 29318, 30174, 32195, 38634, 43977, 50290, 64390, 73295, 75435, 87954, 96585, 146590, 150870, 193170, 219885, 439770, 688973, 1377946, 2066919, 3444865, 4133838, 6889730, 10334595, 20669190]

約数ペア:

[(1, 20669190), (2, 10334595), (3, 6889730), (5, 4133838), (6, 3444865), (10, 2066919), (15, 1377946), (30, 688973), (47, 439770), (94, 219885), (107, 193170), (137, 150870), (141, 146590), (214, 96585), (235, 87954), (274, 75435), (282, 73295), (321, 64390), (411, 50290), (470, 43977), (535, 38634), (642, 32195), (685, 30174), (705, 29318), (822, 25145), (1070, 19317), (1370, 15087), (1410, 14659), (1605, 12878), (2055, 10058), (3210, 6439), (4110, 5029)]