20802079168

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{69259}}^1$

素因数の和:69322

約数の個数: 84

約数和(自身を含む): 46917970680

約数和(自身を除く): 26115891512

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 361, 416, 494, 608, 722, 832, 988, 1216, 1444, 1976, 2888, 3952, 4693, 5776, 7904, 9386, 11552, 15808, 18772, 23104, 37544, 69259, 75088, 138518, 150176, 277036, 300352, 554072, 900367, 1108144, 1315921, 1800734, 2216288, 2631842, 3601468, 4432576, 5263684, 7202936, 10527368, 14405872, 17106973, 21054736, 25002499, 28811744, 34213946, 42109472, 50004998, 57623488, 68427892, 84218944, 100009996, 136855784, 200019992, 273711568, 325032487, 400039984, 547423136, 650064974, 800079968, 1094846272, 1300129948, 1600159936, 2600259896, 5200519792, 10401039584, 20802079168]

約数ペア:

[(1, 20802079168), (2, 10401039584), (4, 5200519792), (8, 2600259896), (13, 1600159936), (16, 1300129948), (19, 1094846272), (26, 800079968), (32, 650064974), (38, 547423136), (52, 400039984), (64, 325032487), (76, 273711568), (104, 200019992), (152, 136855784), (208, 100009996), (247, 84218944), (304, 68427892), (361, 57623488), (416, 50004998), (494, 42109472), (608, 34213946), (722, 28811744), (832, 25002499), (988, 21054736), (1216, 17106973), (1444, 14405872), (1976, 10527368), (2888, 7202936), (3952, 5263684), (4693, 4432576), (5776, 3601468), (7904, 2631842), (9386, 2216288), (11552, 1800734), (15808, 1315921), (18772, 1108144), (23104, 900367), (37544, 554072), (69259, 300352), (75088, 277036), (138518, 150176)]