220120888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{20549}}^1$

素因数の和:20671

約数の個数: 32

約数和(自身を含む): 448812000

約数和(自身を除く): 228691112

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 2678, 5356, 10712, 20549, 41098, 82196, 164392, 267137, 534274, 1068548, 2116547, 2137096, 4233094, 8466188, 16932376, 27515111, 55030222, 110060444, 220120888]

約数ペア:

[(1, 220120888), (2, 110060444), (4, 55030222), (8, 27515111), (13, 16932376), (26, 8466188), (52, 4233094), (103, 2137096), (104, 2116547), (206, 1068548), (412, 534274), (824, 267137), (1339, 164392), (2678, 82196), (5356, 41098), (10712, 20549)]