20815708716

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{740351}}^1$

素因数の和:740443

約数の個数: 72

約数和(自身を含む): 58209435648

約数和(自身を除く): 37393726932

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 781, 852, 1278, 1562, 2343, 2556, 3124, 4686, 7029, 9372, 14058, 28116, 740351, 1480702, 2221053, 2961404, 4442106, 6663159, 8143861, 8884212, 13326318, 16287722, 24431583, 26652636, 32575444, 48863166, 52564921, 73294749, 97726332, 105129842, 146589498, 157694763, 210259684, 293178996, 315389526, 473084289, 578214131, 630779052, 946168578, 1156428262, 1734642393, 1892337156, 2312856524, 3469284786, 5203927179, 6938569572, 10407854358, 20815708716]

約数ペア:

[(1, 20815708716), (2, 10407854358), (3, 6938569572), (4, 5203927179), (6, 3469284786), (9, 2312856524), (11, 1892337156), (12, 1734642393), (18, 1156428262), (22, 946168578), (33, 630779052), (36, 578214131), (44, 473084289), (66, 315389526), (71, 293178996), (99, 210259684), (132, 157694763), (142, 146589498), (198, 105129842), (213, 97726332), (284, 73294749), (396, 52564921), (426, 48863166), (639, 32575444), (781, 26652636), (852, 24431583), (1278, 16287722), (1562, 13326318), (2343, 8884212), (2556, 8143861), (3124, 6663159), (4686, 4442106), (7029, 2961404), (9372, 2221053), (14058, 1480702), (28116, 740351)]