20301228

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4057}}^1$

素因数の和:4206

約数の個数: 36

約数和(自身を含む): 51698920

約数和(自身を除く): 31397692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 4057, 5004, 8114, 12171, 16228, 24342, 36513, 48684, 73026, 146052, 563923, 1127846, 1691769, 2255692, 3383538, 5075307, 6767076, 10150614, 20301228]

約数ペア:

[(1, 20301228), (2, 10150614), (3, 6767076), (4, 5075307), (6, 3383538), (9, 2255692), (12, 1691769), (18, 1127846), (36, 563923), (139, 146052), (278, 73026), (417, 48684), (556, 36513), (834, 24342), (1251, 16228), (1668, 12171), (2502, 8114), (4057, 5004)]