20117381778

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^2\times {\mathrm{433}}^1\times {\mathrm{1697}}^1$

素因数の和:2170

約数の個数: 120

約数和(自身を含む): 48953655828

約数和(自身を除く): 28836274050

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 169, 234, 338, 351, 433, 507, 702, 866, 1014, 1053, 1299, 1521, 1697, 2106, 2598, 3042, 3394, 3897, 4563, 5091, 5629, 7794, 9126, 10182, 11258, 11691, 13689, 15273, 16887, 22061, 23382, 27378, 30546, 33774, 35073, 44122, 45819, 50661, 66183, 70146, 73177, 91638, 101322, 132366, 137457, 146354, 151983, 198549, 219531, 274914, 286793, 303966, 397098, 439062, 455949, 573586, 595647, 658593, 734801, 860379, 911898, 1191294, 1317186, 1469602, 1720758, 1786941, 1975779, 2204403, 2581137, 3573882, 3951558, 4408806, 5162274, 5927337, 6613209, 7743411, 9552413, 11854674, 13226418, 15486822, 19104826, 19839627, 23230233, 28657239, 39679254, 46460466, 57314478, 59518881, 85971717, 119037762, 124181369, 171943434, 248362738, 257915151, 372544107, 515830302, 745088214, 773745453, 1117632321, 1547490906, 2235264642, 3352896963, 6705793926, 10058690889, 20117381778]

約数ペア:

[(1, 20117381778), (2, 10058690889), (3, 6705793926), (6, 3352896963), (9, 2235264642), (13, 1547490906), (18, 1117632321), (26, 773745453), (27, 745088214), (39, 515830302), (54, 372544107), (78, 257915151), (81, 248362738), (117, 171943434), (162, 124181369), (169, 119037762), (234, 85971717), (338, 59518881), (351, 57314478), (433, 46460466), (507, 39679254), (702, 28657239), (866, 23230233), (1014, 19839627), (1053, 19104826), (1299, 15486822), (1521, 13226418), (1697, 11854674), (2106, 9552413), (2598, 7743411), (3042, 6613209), (3394, 5927337), (3897, 5162274), (4563, 4408806), (5091, 3951558), (5629, 3573882), (7794, 2581137), (9126, 2204403), (10182, 1975779), (11258, 1786941), (11691, 1720758), (13689, 1469602), (15273, 1317186), (16887, 1191294), (22061, 911898), (23382, 860379), (27378, 734801), (30546, 658593), (33774, 595647), (35073, 573586), (44122, 455949), (45819, 439062), (50661, 397098), (66183, 303966), (70146, 286793), (73177, 274914), (91638, 219531), (101322, 198549), (132366, 151983), (137457, 146354)]