20618730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:436

約数の個数: 96

約数和(自身を含む): 59641920

約数和(自身を除く): 39023190

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 59, 66, 90, 99, 110, 118, 165, 177, 198, 295, 330, 353, 354, 495, 531, 590, 649, 706, 885, 990, 1059, 1062, 1298, 1765, 1770, 1947, 2118, 2655, 3177, 3245, 3530, 3883, 3894, 5295, 5310, 5841, 6354, 6490, 7766, 9735, 10590, 11649, 11682, 15885, 19415, 19470, 20827, 23298, 29205, 31770, 34947, 38830, 41654, 58245, 58410, 62481, 69894, 104135, 116490, 124962, 174735, 187443, 208270, 229097, 312405, 349470, 374886, 458194, 624810, 687291, 937215, 1145485, 1374582, 1874430, 2061873, 2290970, 3436455, 4123746, 6872910, 10309365, 20618730]

約数ペア:

[(1, 20618730), (2, 10309365), (3, 6872910), (5, 4123746), (6, 3436455), (9, 2290970), (10, 2061873), (11, 1874430), (15, 1374582), (18, 1145485), (22, 937215), (30, 687291), (33, 624810), (45, 458194), (55, 374886), (59, 349470), (66, 312405), (90, 229097), (99, 208270), (110, 187443), (118, 174735), (165, 124962), (177, 116490), (198, 104135), (295, 69894), (330, 62481), (353, 58410), (354, 58245), (495, 41654), (531, 38830), (590, 34947), (649, 31770), (706, 29205), (885, 23298), (990, 20827), (1059, 19470), (1062, 19415), (1298, 15885), (1765, 11682), (1770, 11649), (1947, 10590), (2118, 9735), (2655, 7766), (3177, 6490), (3245, 6354), (3530, 5841), (3883, 5310), (3894, 5295)]