20118397936

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2011}}^1\times {\mathrm{6871}}^1$

素因数の和:8910

約数の個数: 80

約数和(自身を含む): 48005483008

約数和(自身を除く): 27887085072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 2011, 4022, 6871, 8044, 13742, 14077, 16088, 26143, 27484, 28154, 32176, 48097, 52286, 54968, 56308, 89323, 96194, 104572, 109936, 112616, 178646, 183001, 192388, 209144, 225232, 357292, 366002, 384776, 418288, 625261, 714584, 732004, 769552, 1250522, 1429168, 1464008, 2501044, 2928016, 5002088, 10004176, 13817581, 27635162, 55270324, 96723067, 110540648, 179628553, 193446134, 221081296, 359257106, 386892268, 718514212, 773784536, 1257399871, 1437028424, 1547569072, 2514799742, 2874056848, 5029599484, 10059198968, 20118397936]

約数ペア:

[(1, 20118397936), (2, 10059198968), (4, 5029599484), (7, 2874056848), (8, 2514799742), (13, 1547569072), (14, 1437028424), (16, 1257399871), (26, 773784536), (28, 718514212), (52, 386892268), (56, 359257106), (91, 221081296), (104, 193446134), (112, 179628553), (182, 110540648), (208, 96723067), (364, 55270324), (728, 27635162), (1456, 13817581), (2011, 10004176), (4022, 5002088), (6871, 2928016), (8044, 2501044), (13742, 1464008), (14077, 1429168), (16088, 1250522), (26143, 769552), (27484, 732004), (28154, 714584), (32176, 625261), (48097, 418288), (52286, 384776), (54968, 366002), (56308, 357292), (89323, 225232), (96194, 209144), (104572, 192388), (109936, 183001), (112616, 178646)]