20172597885

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{72643}}^1$

素因数の和:72696

約数の個数: 96

約数和(自身を含む): 41738336640

約数和(自身を除く): 21565738755

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 85, 99, 121, 135, 153, 165, 187, 255, 297, 363, 459, 495, 561, 605, 765, 935, 1089, 1485, 1683, 1815, 2057, 2295, 2805, 3267, 5049, 5445, 6171, 8415, 10285, 16335, 18513, 25245, 30855, 55539, 72643, 92565, 217929, 277695, 363215, 653787, 799073, 1089645, 1234931, 1961361, 2397219, 3268935, 3704793, 3995365, 6174655, 7191657, 8789803, 9806805, 11114379, 11986095, 13584241, 18523965, 21574971, 26369409, 33343137, 35958285, 40752723, 43949015, 55571895, 67921205, 79108227, 107874855, 122258169, 131847045, 149426651, 166715685, 203763615, 237324681, 366774507, 395541135, 448279953, 611290845, 747133255, 1186623405, 1344839859, 1833872535, 2241399765, 4034519577, 6724199295, 20172597885]

約数ペア:

[(1, 20172597885), (3, 6724199295), (5, 4034519577), (9, 2241399765), (11, 1833872535), (15, 1344839859), (17, 1186623405), (27, 747133255), (33, 611290845), (45, 448279953), (51, 395541135), (55, 366774507), (85, 237324681), (99, 203763615), (121, 166715685), (135, 149426651), (153, 131847045), (165, 122258169), (187, 107874855), (255, 79108227), (297, 67921205), (363, 55571895), (459, 43949015), (495, 40752723), (561, 35958285), (605, 33343137), (765, 26369409), (935, 21574971), (1089, 18523965), (1485, 13584241), (1683, 11986095), (1815, 11114379), (2057, 9806805), (2295, 8789803), (2805, 7191657), (3267, 6174655), (5049, 3995365), (5445, 3704793), (6171, 3268935), (8415, 2397219), (10285, 1961361), (16335, 1234931), (18513, 1089645), (25245, 799073), (30855, 653787), (55539, 363215), (72643, 277695), (92565, 217929)]