20216580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 59222016

約数和(自身を除く): 39005436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 67, 94, 107, 134, 141, 188, 201, 214, 235, 268, 282, 321, 335, 402, 428, 470, 535, 564, 642, 670, 705, 804, 940, 1005, 1070, 1284, 1340, 1410, 1605, 2010, 2140, 2820, 3149, 3210, 4020, 5029, 6298, 6420, 7169, 9447, 10058, 12596, 14338, 15087, 15745, 18894, 20116, 21507, 25145, 28676, 30174, 31490, 35845, 37788, 43014, 47235, 50290, 60348, 62980, 71690, 75435, 86028, 94470, 100580, 107535, 143380, 150870, 188940, 215070, 301740, 336943, 430140, 673886, 1010829, 1347772, 1684715, 2021658, 3369430, 4043316, 5054145, 6738860, 10108290, 20216580]

約数ペア:

[(1, 20216580), (2, 10108290), (3, 6738860), (4, 5054145), (5, 4043316), (6, 3369430), (10, 2021658), (12, 1684715), (15, 1347772), (20, 1010829), (30, 673886), (47, 430140), (60, 336943), (67, 301740), (94, 215070), (107, 188940), (134, 150870), (141, 143380), (188, 107535), (201, 100580), (214, 94470), (235, 86028), (268, 75435), (282, 71690), (321, 62980), (335, 60348), (402, 50290), (428, 47235), (470, 43014), (535, 37788), (564, 35845), (642, 31490), (670, 30174), (705, 28676), (804, 25145), (940, 21507), (1005, 20116), (1070, 18894), (1284, 15745), (1340, 15087), (1410, 14338), (1605, 12596), (2010, 10058), (2140, 9447), (2820, 7169), (3149, 6420), (3210, 6298), (4020, 5029)]