20733856

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 50295168

約数和(自身を除く): 29561312

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 23, 26, 32, 44, 46, 52, 88, 92, 104, 143, 176, 184, 197, 208, 253, 286, 299, 352, 368, 394, 416, 506, 572, 598, 736, 788, 1012, 1144, 1196, 1576, 2024, 2167, 2288, 2392, 2561, 3152, 3289, 4048, 4334, 4531, 4576, 4784, 5122, 6304, 6578, 8096, 8668, 9062, 9568, 10244, 13156, 17336, 18124, 20488, 26312, 28171, 34672, 36248, 40976, 49841, 52624, 56342, 58903, 69344, 72496, 81952, 99682, 105248, 112684, 117806, 144992, 199364, 225368, 235612, 398728, 450736, 471224, 647933, 797456, 901472, 942448, 1295866, 1594912, 1884896, 2591732, 5183464, 10366928, 20733856]

約数ペア:

[(1, 20733856), (2, 10366928), (4, 5183464), (8, 2591732), (11, 1884896), (13, 1594912), (16, 1295866), (22, 942448), (23, 901472), (26, 797456), (32, 647933), (44, 471224), (46, 450736), (52, 398728), (88, 235612), (92, 225368), (104, 199364), (143, 144992), (176, 117806), (184, 112684), (197, 105248), (208, 99682), (253, 81952), (286, 72496), (299, 69344), (352, 58903), (368, 56342), (394, 52624), (416, 49841), (506, 40976), (572, 36248), (598, 34672), (736, 28171), (788, 26312), (1012, 20488), (1144, 18124), (1196, 17336), (1576, 13156), (2024, 10244), (2167, 9568), (2288, 9062), (2392, 8668), (2561, 8096), (3152, 6578), (3289, 6304), (4048, 5122), (4334, 4784), (4531, 4576)]