20183998425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{19813}}^1$

素因数の和:19907

約数の個数: 72

約数和(自身を含む): 36205408896

約数和(自身を除く): 16021410471

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 75, 85, 141, 235, 255, 289, 425, 705, 799, 867, 1175, 1275, 1445, 2397, 3525, 3995, 4335, 7225, 11985, 13583, 19813, 19975, 21675, 40749, 59439, 59925, 67915, 99065, 203745, 297195, 336821, 339575, 495325, 931211, 1010463, 1018725, 1485975, 1684105, 2793633, 4656055, 5052315, 5725957, 8420525, 13968165, 15830587, 17177871, 23280275, 25261575, 28629785, 47491761, 69840825, 79152935, 85889355, 143148925, 237458805, 269119979, 395764675, 429446775, 807359937, 1187294025, 1345599895, 4036799685, 6727999475, 20183998425]

約数ペア:

[(1, 20183998425), (3, 6727999475), (5, 4036799685), (15, 1345599895), (17, 1187294025), (25, 807359937), (47, 429446775), (51, 395764675), (75, 269119979), (85, 237458805), (141, 143148925), (235, 85889355), (255, 79152935), (289, 69840825), (425, 47491761), (705, 28629785), (799, 25261575), (867, 23280275), (1175, 17177871), (1275, 15830587), (1445, 13968165), (2397, 8420525), (3525, 5725957), (3995, 5052315), (4335, 4656055), (7225, 2793633), (11985, 1684105), (13583, 1485975), (19813, 1018725), (19975, 1010463), (21675, 931211), (40749, 495325), (59439, 339575), (59925, 336821), (67915, 297195), (99065, 203745)]