20194271984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{939793}}^1$

素因数の和:939897

約数の個数: 40

約数和(自身を含む): 41952404160

約数和(自身を除く): 21758132176

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 79, 136, 158, 272, 316, 632, 1264, 1343, 2686, 5372, 10744, 21488, 939793, 1879586, 3759172, 7518344, 15036688, 15976481, 31952962, 63905924, 74243647, 127811848, 148487294, 255623696, 296974588, 593949176, 1187898352, 1262141999, 2524283998, 5048567996, 10097135992, 20194271984]

約数ペア:

[(1, 20194271984), (2, 10097135992), (4, 5048567996), (8, 2524283998), (16, 1262141999), (17, 1187898352), (34, 593949176), (68, 296974588), (79, 255623696), (136, 148487294), (158, 127811848), (272, 74243647), (316, 63905924), (632, 31952962), (1264, 15976481), (1343, 15036688), (2686, 7518344), (5372, 3759172), (10744, 1879586), (21488, 939793)]