20006800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4547}}^1$

素因数の和:4576

約数の個数: 60

約数和(自身を含む): 52447536

約数和(自身を除く): 32440736

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4547, 9094, 18188, 22735, 36376, 45470, 50017, 72752, 90940, 100034, 113675, 181880, 200068, 227350, 250085, 363760, 400136, 454700, 500170, 800272, 909400, 1000340, 1250425, 1818800, 2000680, 2500850, 4001360, 5001700, 10003400, 20006800]

約数ペア:

[(1, 20006800), (2, 10003400), (4, 5001700), (5, 4001360), (8, 2500850), (10, 2000680), (11, 1818800), (16, 1250425), (20, 1000340), (22, 909400), (25, 800272), (40, 500170), (44, 454700), (50, 400136), (55, 363760), (80, 250085), (88, 227350), (100, 200068), (110, 181880), (176, 113675), (200, 100034), (220, 90940), (275, 72752), (400, 50017), (440, 45470), (550, 36376), (880, 22735), (1100, 18188), (2200, 9094), (4400, 4547)]