20786687268

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{1289}}^1\times {\mathrm{70729}}^1$

素因数の和:72044

約数の個数: 48

約数和(自身を含む): 51095352000

約数和(自身を除く): 30308664732

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 1289, 2578, 3867, 5156, 7734, 15468, 24491, 48982, 70729, 73473, 97964, 141458, 146946, 212187, 282916, 293892, 424374, 848748, 1343851, 2687702, 4031553, 5375404, 8063106, 16126212, 91169681, 182339362, 273509043, 364678724, 547018086, 1094036172, 1732223939, 3464447878, 5196671817, 6928895756, 10393343634, 20786687268]

約数ペア:

[(1, 20786687268), (2, 10393343634), (3, 6928895756), (4, 5196671817), (6, 3464447878), (12, 1732223939), (19, 1094036172), (38, 547018086), (57, 364678724), (76, 273509043), (114, 182339362), (228, 91169681), (1289, 16126212), (2578, 8063106), (3867, 5375404), (5156, 4031553), (7734, 2687702), (15468, 1343851), (24491, 848748), (48982, 424374), (70729, 293892), (73473, 282916), (97964, 212187), (141458, 146946)]