20163776776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{1523}}^1$

素因数の和:1787

約数の個数: 128

約数和(自身を含む): 45348387840

約数和(自身を除く): 25184611064

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 71, 88, 104, 142, 143, 163, 284, 286, 326, 568, 572, 652, 781, 923, 1144, 1304, 1523, 1562, 1793, 1846, 2119, 3046, 3124, 3586, 3692, 4238, 6092, 6248, 7172, 7384, 8476, 10153, 11573, 12184, 14344, 16753, 16952, 19799, 20306, 23146, 23309, 33506, 39598, 40612, 46292, 46618, 67012, 79196, 81224, 92584, 93236, 108133, 127303, 134024, 150449, 158392, 186472, 216266, 217789, 248249, 254606, 300898, 432532, 435578, 496498, 509212, 601796, 865064, 871156, 992996, 1018424, 1189463, 1203592, 1405729, 1654939, 1742312, 1985992, 2378926, 2730739, 2811458, 3227237, 3309878, 4757852, 5461478, 5622916, 6454474, 6619756, 9515704, 10922956, 11245832, 12908948, 13239512, 15463019, 17625679, 21845912, 25817896, 30926038, 35251358, 35499607, 61852076, 70502716, 70999214, 123704152, 141005432, 141998428, 193882469, 229133827, 283996856, 387764938, 458267654, 775529876, 916535308, 1551059752, 1833070616, 2520472097, 5040944194, 10081888388, 20163776776]

約数ペア:

[(1, 20163776776), (2, 10081888388), (4, 5040944194), (8, 2520472097), (11, 1833070616), (13, 1551059752), (22, 916535308), (26, 775529876), (44, 458267654), (52, 387764938), (71, 283996856), (88, 229133827), (104, 193882469), (142, 141998428), (143, 141005432), (163, 123704152), (284, 70999214), (286, 70502716), (326, 61852076), (568, 35499607), (572, 35251358), (652, 30926038), (781, 25817896), (923, 21845912), (1144, 17625679), (1304, 15463019), (1523, 13239512), (1562, 12908948), (1793, 11245832), (1846, 10922956), (2119, 9515704), (3046, 6619756), (3124, 6454474), (3586, 5622916), (3692, 5461478), (4238, 4757852), (6092, 3309878), (6248, 3227237), (7172, 2811458), (7384, 2730739), (8476, 2378926), (10153, 1985992), (11573, 1742312), (12184, 1654939), (14344, 1405729), (16753, 1203592), (16952, 1189463), (19799, 1018424), (20306, 992996), (23146, 871156), (23309, 865064), (33506, 601796), (39598, 509212), (40612, 496498), (46292, 435578), (46618, 432532), (67012, 300898), (79196, 254606), (81224, 248249), (92584, 217789), (93236, 216266), (108133, 186472), (127303, 158392), (134024, 150449)]