20176975312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1493}}^1\times {\mathrm{1511}}^1$

素因数の和:3068

約数の個数: 80

約数和(自身を含む): 43136489088

約数和(自身を除く): 22959513776

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 1493, 1511, 2236, 2986, 3022, 4472, 5972, 6044, 8944, 11944, 12088, 19409, 19643, 23888, 24176, 38818, 39286, 64199, 64973, 77636, 78572, 128398, 129946, 155272, 157144, 256796, 259892, 310544, 314288, 513592, 519784, 834587, 844649, 1027184, 1039568, 1669174, 1689298, 2255923, 3338348, 3378596, 4511846, 6676696, 6757192, 9023692, 13353392, 13514384, 18047384, 29326999, 36094768, 58653998, 97004689, 117307996, 194009378, 234615992, 388018756, 469231984, 776037512, 1261060957, 1552075024, 2522121914, 5044243828, 10088487656, 20176975312]

約数ペア:

[(1, 20176975312), (2, 10088487656), (4, 5044243828), (8, 2522121914), (13, 1552075024), (16, 1261060957), (26, 776037512), (43, 469231984), (52, 388018756), (86, 234615992), (104, 194009378), (172, 117307996), (208, 97004689), (344, 58653998), (559, 36094768), (688, 29326999), (1118, 18047384), (1493, 13514384), (1511, 13353392), (2236, 9023692), (2986, 6757192), (3022, 6676696), (4472, 4511846), (5972, 3378596), (6044, 3338348), (8944, 2255923), (11944, 1689298), (12088, 1669174), (19409, 1039568), (19643, 1027184), (23888, 844649), (24176, 834587), (38818, 519784), (39286, 513592), (64199, 314288), (64973, 310544), (77636, 259892), (78572, 256796), (128398, 157144), (129946, 155272)]