20181692025

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{63211}}^1$

素因数の和:63284

約数の個数: 96

約数和(自身を含む): 41386160640

約数和(自身を除く): 21204468615

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 43, 45, 55, 75, 99, 129, 135, 165, 215, 225, 275, 297, 387, 473, 495, 645, 675, 825, 1075, 1161, 1419, 1485, 1935, 2365, 2475, 3225, 4257, 5805, 7095, 7425, 9675, 11825, 12771, 21285, 29025, 35475, 63211, 63855, 106425, 189633, 316055, 319275, 568899, 695321, 948165, 1580275, 1706697, 2085963, 2718073, 2844495, 3476605, 4740825, 6257889, 8154219, 8533485, 10429815, 13590365, 14222475, 17383025, 18773667, 24462657, 29898803, 31289445, 40771095, 42667425, 52149075, 67951825, 73387971, 89696409, 93868335, 122313285, 149494015, 156447225, 203855475, 269089227, 366939855, 448482045, 469341675, 611566425, 747470075, 807267681, 1345446135, 1834699275, 2242410225, 4036338405, 6727230675, 20181692025]

約数ペア:

[(1, 20181692025), (3, 6727230675), (5, 4036338405), (9, 2242410225), (11, 1834699275), (15, 1345446135), (25, 807267681), (27, 747470075), (33, 611566425), (43, 469341675), (45, 448482045), (55, 366939855), (75, 269089227), (99, 203855475), (129, 156447225), (135, 149494015), (165, 122313285), (215, 93868335), (225, 89696409), (275, 73387971), (297, 67951825), (387, 52149075), (473, 42667425), (495, 40771095), (645, 31289445), (675, 29898803), (825, 24462657), (1075, 18773667), (1161, 17383025), (1419, 14222475), (1485, 13590365), (1935, 10429815), (2365, 8533485), (2475, 8154219), (3225, 6257889), (4257, 4740825), (5805, 3476605), (7095, 2844495), (7425, 2718073), (9675, 2085963), (11825, 1706697), (12771, 1580275), (21285, 948165), (29025, 695321), (35475, 568899), (63211, 319275), (63855, 316055), (106425, 189633)]