20394714

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 46080000

約数和(自身を除く): 25685286

約数列:

[1, 2, 3, 6, 19, 29, 31, 38, 57, 58, 62, 87, 93, 114, 174, 186, 199, 398, 551, 589, 597, 899, 1102, 1178, 1194, 1653, 1767, 1798, 2697, 3306, 3534, 3781, 5394, 5771, 6169, 7562, 11343, 11542, 12338, 17081, 17313, 18507, 22686, 34162, 34626, 37014, 51243, 102486, 109649, 117211, 178901, 219298, 234422, 328947, 351633, 357802, 536703, 657894, 703266, 1073406, 3399119, 6798238, 10197357, 20394714]

約数ペア:

[(1, 20394714), (2, 10197357), (3, 6798238), (6, 3399119), (19, 1073406), (29, 703266), (31, 657894), (38, 536703), (57, 357802), (58, 351633), (62, 328947), (87, 234422), (93, 219298), (114, 178901), (174, 117211), (186, 109649), (199, 102486), (398, 51243), (551, 37014), (589, 34626), (597, 34162), (899, 22686), (1102, 18507), (1178, 17313), (1194, 17081), (1653, 12338), (1767, 11542), (1798, 11343), (2697, 7562), (3306, 6169), (3534, 5771), (3781, 5394)]