20807834868

素因数分解:

$2^2\times 3^2\times {\mathrm{1487}}^1\times {\mathrm{388699}}^1$

素因数の和:390196

約数の個数: 36

約数和(自身を含む): 52633089600

約数和(自身を除く): 31825254732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1487, 2974, 4461, 5948, 8922, 13383, 17844, 26766, 53532, 388699, 777398, 1166097, 1554796, 2332194, 3498291, 4664388, 6996582, 13993164, 577995413, 1155990826, 1733986239, 2311981652, 3467972478, 5201958717, 6935944956, 10403917434, 20807834868]

約数ペア:

[(1, 20807834868), (2, 10403917434), (3, 6935944956), (4, 5201958717), (6, 3467972478), (9, 2311981652), (12, 1733986239), (18, 1155990826), (36, 577995413), (1487, 13993164), (2974, 6996582), (4461, 4664388), (5948, 3498291), (8922, 2332194), (13383, 1554796), (17844, 1166097), (26766, 777398), (53532, 388699)]