20512382982

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{708839}}^1$

素因数の和:708917

約数の個数: 64

約数和(自身を含む): 51444771840

約数和(自身を除く): 30932388858

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 53, 78, 91, 106, 159, 182, 273, 318, 371, 546, 689, 742, 1113, 1378, 2067, 2226, 4134, 4823, 9646, 14469, 28938, 708839, 1417678, 2126517, 4253034, 4961873, 9214907, 9923746, 14885619, 18429814, 27644721, 29771238, 37568467, 55289442, 64504349, 75136934, 112705401, 129008698, 193513047, 225410802, 262979269, 387026094, 488390071, 525958538, 788937807, 976780142, 1465170213, 1577875614, 2930340426, 3418730497, 6837460994, 10256191491, 20512382982]

約数ペア:

[(1, 20512382982), (2, 10256191491), (3, 6837460994), (6, 3418730497), (7, 2930340426), (13, 1577875614), (14, 1465170213), (21, 976780142), (26, 788937807), (39, 525958538), (42, 488390071), (53, 387026094), (78, 262979269), (91, 225410802), (106, 193513047), (159, 129008698), (182, 112705401), (273, 75136934), (318, 64504349), (371, 55289442), (546, 37568467), (689, 29771238), (742, 27644721), (1113, 18429814), (1378, 14885619), (2067, 9923746), (2226, 9214907), (4134, 4961873), (4823, 4253034), (9646, 2126517), (14469, 1417678), (28938, 708839)]