20792750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7561}}^1$

素因数の和:7589

約数の個数: 32

約数和(自身を含む): 42468192

約数和(自身を除く): 21675442

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7561, 15122, 37805, 75610, 83171, 166342, 189025, 378050, 415855, 831710, 945125, 1890250, 2079275, 4158550, 10396375, 20792750]

約数ペア:

[(1, 20792750), (2, 10396375), (5, 4158550), (10, 2079275), (11, 1890250), (22, 945125), (25, 831710), (50, 415855), (55, 378050), (110, 189025), (125, 166342), (250, 83171), (275, 75610), (550, 37805), (1375, 15122), (2750, 7561)]