20798499248

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{797}}^1\times {\mathrm{70913}}^1$

素因数の和:71741

約数の個数: 40

約数和(自身を含む): 42102492768

約数和(自身を除く): 21303993520

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 797, 1594, 3188, 6376, 12752, 18331, 36662, 70913, 73324, 141826, 146648, 283652, 293296, 567304, 1134608, 1630999, 3261998, 6523996, 13047992, 26095984, 56517661, 113035322, 226070644, 452141288, 904282576, 1299906203, 2599812406, 5199624812, 10399249624, 20798499248]

約数ペア:

[(1, 20798499248), (2, 10399249624), (4, 5199624812), (8, 2599812406), (16, 1299906203), (23, 904282576), (46, 452141288), (92, 226070644), (184, 113035322), (368, 56517661), (797, 26095984), (1594, 13047992), (3188, 6523996), (6376, 3261998), (12752, 1630999), (18331, 1134608), (36662, 567304), (70913, 293296), (73324, 283652), (141826, 146648)]