20372028

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 50400000

約数和(自身を除く): 30027972

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 199, 228, 398, 449, 597, 796, 898, 1194, 1347, 1796, 2388, 2694, 3781, 5388, 7562, 8531, 11343, 15124, 17062, 22686, 25593, 34124, 45372, 51186, 89351, 102372, 178702, 268053, 357404, 536106, 1072212, 1697669, 3395338, 5093007, 6790676, 10186014, 20372028]

約数ペア:

[(1, 20372028), (2, 10186014), (3, 6790676), (4, 5093007), (6, 3395338), (12, 1697669), (19, 1072212), (38, 536106), (57, 357404), (76, 268053), (114, 178702), (199, 102372), (228, 89351), (398, 51186), (449, 45372), (597, 34124), (796, 25593), (898, 22686), (1194, 17062), (1347, 15124), (1796, 11343), (2388, 8531), (2694, 7562), (3781, 5388)]