20161102064

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{563}}^1\times {\mathrm{1087}}^1$

素因数の和:1758

約数の個数: 80

約数和(自身を含む): 41088798720

約数和(自身を除く): 20927696656

約数列:

[1, 2, 4, 8, 16, 29, 58, 71, 116, 142, 232, 284, 464, 563, 568, 1087, 1126, 1136, 2059, 2174, 2252, 4118, 4348, 4504, 8236, 8696, 9008, 16327, 16472, 17392, 31523, 32654, 32944, 39973, 63046, 65308, 77177, 79946, 126092, 130616, 154354, 159892, 252184, 261232, 308708, 319784, 504368, 611981, 617416, 639568, 1159217, 1223962, 1234832, 2238133, 2318434, 2447924, 4476266, 4636868, 4895848, 8952532, 9273736, 9791696, 17747449, 17905064, 18547472, 35494898, 35810128, 43450651, 70989796, 86901302, 141979592, 173802604, 283959184, 347605208, 695210416, 1260068879, 2520137758, 5040275516, 10080551032, 20161102064]

約数ペア:

[(1, 20161102064), (2, 10080551032), (4, 5040275516), (8, 2520137758), (16, 1260068879), (29, 695210416), (58, 347605208), (71, 283959184), (116, 173802604), (142, 141979592), (232, 86901302), (284, 70989796), (464, 43450651), (563, 35810128), (568, 35494898), (1087, 18547472), (1126, 17905064), (1136, 17747449), (2059, 9791696), (2174, 9273736), (2252, 8952532), (4118, 4895848), (4348, 4636868), (4504, 4476266), (8236, 2447924), (8696, 2318434), (9008, 2238133), (16327, 1234832), (16472, 1223962), (17392, 1159217), (31523, 639568), (32654, 617416), (32944, 611981), (39973, 504368), (63046, 319784), (65308, 308708), (77177, 261232), (79946, 252184), (126092, 159892), (130616, 154354)]