20111038072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{839}}^1\times {\mathrm{881}}^1$

素因数の和:1924

約数の個数: 64

約数和(自身を含む): 40007520000

約数和(自身を除く): 19896481928

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 179, 358, 716, 839, 881, 1432, 1678, 1762, 3356, 3401, 3524, 6712, 6802, 7048, 13604, 15941, 16739, 27208, 31882, 33478, 63764, 66956, 127528, 133912, 150181, 157699, 300362, 315398, 600724, 630796, 739159, 1201448, 1261592, 1478318, 2853439, 2956636, 2996281, 5706878, 5913272, 5992562, 11413756, 11985124, 14044021, 22827512, 23970248, 28088042, 56176084, 112352168, 132309461, 264618922, 529237844, 1058475688, 2513879759, 5027759518, 10055519036, 20111038072]

約数ペア:

[(1, 20111038072), (2, 10055519036), (4, 5027759518), (8, 2513879759), (19, 1058475688), (38, 529237844), (76, 264618922), (152, 132309461), (179, 112352168), (358, 56176084), (716, 28088042), (839, 23970248), (881, 22827512), (1432, 14044021), (1678, 11985124), (1762, 11413756), (3356, 5992562), (3401, 5913272), (3524, 5706878), (6712, 2996281), (6802, 2956636), (7048, 2853439), (13604, 1478318), (15941, 1261592), (16739, 1201448), (27208, 739159), (31882, 630796), (33478, 600724), (63764, 315398), (66956, 300362), (127528, 157699), (133912, 150181)]