20512991554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{33587}}^1$

素因数の和:33711

約数の個数: 64

約数和(自身を含む): 37609961472

約数和(自身を除く): 17096969918

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 71, 142, 187, 253, 374, 391, 506, 781, 782, 1207, 1562, 1633, 2414, 3266, 4301, 8602, 13277, 17963, 26554, 27761, 33587, 35926, 55522, 67174, 305371, 369457, 570979, 610742, 738914, 772501, 1141958, 1545002, 2384677, 4769354, 6280769, 8497511, 12561538, 13132517, 16995022, 26231447, 26265034, 40539509, 52462894, 54847571, 81079018, 109695142, 144457687, 288915374, 445934599, 603323281, 891869198, 932408707, 1206646562, 1864817414, 10256495777, 20512991554]

約数ペア:

[(1, 20512991554), (2, 10256495777), (11, 1864817414), (17, 1206646562), (22, 932408707), (23, 891869198), (34, 603323281), (46, 445934599), (71, 288915374), (142, 144457687), (187, 109695142), (253, 81079018), (374, 54847571), (391, 52462894), (506, 40539509), (781, 26265034), (782, 26231447), (1207, 16995022), (1562, 13132517), (1633, 12561538), (2414, 8497511), (3266, 6280769), (4301, 4769354), (8602, 2384677), (13277, 1545002), (17963, 1141958), (26554, 772501), (27761, 738914), (33587, 610742), (35926, 570979), (55522, 369457), (67174, 305371)]