20159986

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1201}}^1$

素因数の和:1330

約数の個数: 32

約数和(自身を含む): 38079360

約数和(自身を除く): 17919374

約数列:

[1, 2, 7, 11, 14, 22, 77, 109, 154, 218, 763, 1199, 1201, 1526, 2398, 2402, 8393, 8407, 13211, 16786, 16814, 26422, 92477, 130909, 184954, 261818, 916363, 1439999, 1832726, 2879998, 10079993, 20159986]

約数ペア:

[(1, 20159986), (2, 10079993), (7, 2879998), (11, 1832726), (14, 1439999), (22, 916363), (77, 261818), (109, 184954), (154, 130909), (218, 92477), (763, 26422), (1199, 16814), (1201, 16786), (1526, 13211), (2398, 8407), (2402, 8393)]