20189354625

素因数分解:

$3^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{12647}}^1$

素因数の和:12725

約数の個数: 128

約数和(自身を含む): 41671618560

約数和(自身を除く): 21482263935

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 43, 45, 55, 75, 99, 125, 129, 135, 165, 215, 225, 275, 297, 375, 387, 473, 495, 645, 675, 825, 1075, 1125, 1161, 1375, 1419, 1485, 1935, 2365, 2475, 3225, 3375, 4125, 4257, 5375, 5805, 7095, 7425, 9675, 11825, 12375, 12647, 12771, 16125, 21285, 29025, 35475, 37125, 37941, 48375, 59125, 63235, 63855, 106425, 113823, 139117, 145125, 177375, 189705, 316175, 319275, 341469, 417351, 532125, 543821, 569115, 695585, 948525, 1252053, 1580875, 1596375, 1631463, 1707345, 2086755, 2719105, 2845575, 3477925, 3756159, 4742625, 4894389, 5982031, 6260265, 8157315, 8536725, 10433775, 13595525, 14227875, 14683167, 17389625, 17946093, 18780795, 24471945, 29910155, 31301325, 40786575, 42683625, 52168875, 53838279, 67977625, 73415835, 89730465, 93903975, 122359725, 149550775, 156506625, 161514837, 203932875, 269191395, 367079175, 448652325, 469519875, 611798625, 747753875, 807574185, 1345956975, 1835395875, 2243261625, 4037870925, 6729784875, 20189354625]

約数ペア:

[(1, 20189354625), (3, 6729784875), (5, 4037870925), (9, 2243261625), (11, 1835395875), (15, 1345956975), (25, 807574185), (27, 747753875), (33, 611798625), (43, 469519875), (45, 448652325), (55, 367079175), (75, 269191395), (99, 203932875), (125, 161514837), (129, 156506625), (135, 149550775), (165, 122359725), (215, 93903975), (225, 89730465), (275, 73415835), (297, 67977625), (375, 53838279), (387, 52168875), (473, 42683625), (495, 40786575), (645, 31301325), (675, 29910155), (825, 24471945), (1075, 18780795), (1125, 17946093), (1161, 17389625), (1375, 14683167), (1419, 14227875), (1485, 13595525), (1935, 10433775), (2365, 8536725), (2475, 8157315), (3225, 6260265), (3375, 5982031), (4125, 4894389), (4257, 4742625), (5375, 3756159), (5805, 3477925), (7095, 2845575), (7425, 2719105), (9675, 2086755), (11825, 1707345), (12375, 1631463), (12647, 1596375), (12771, 1580875), (16125, 1252053), (21285, 948525), (29025, 695585), (35475, 569115), (37125, 543821), (37941, 532125), (48375, 417351), (59125, 341469), (63235, 319275), (63855, 316175), (106425, 189705), (113823, 177375), (139117, 145125)]