20889018

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{593}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 48185280

約数和(自身を除く): 27296262

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 103, 114, 171, 206, 309, 342, 593, 618, 927, 1186, 1779, 1854, 1957, 3558, 3914, 5337, 5871, 10674, 11267, 11742, 17613, 22534, 33801, 35226, 61079, 67602, 101403, 122158, 183237, 202806, 366474, 549711, 1099422, 1160501, 2321002, 3481503, 6963006, 10444509, 20889018]

約数ペア:

[(1, 20889018), (2, 10444509), (3, 6963006), (6, 3481503), (9, 2321002), (18, 1160501), (19, 1099422), (38, 549711), (57, 366474), (103, 202806), (114, 183237), (171, 122158), (206, 101403), (309, 67602), (342, 61079), (593, 35226), (618, 33801), (927, 22534), (1186, 17613), (1779, 11742), (1854, 11267), (1957, 10674), (3558, 5871), (3914, 5337)]