20767140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1021}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 63613368

約数和(自身を除く): 42846228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 1017, 1021, 1130, 1356, 1695, 2034, 2042, 2260, 3063, 3390, 4068, 4084, 5085, 5105, 6126, 6780, 9189, 10170, 10210, 12252, 15315, 18378, 20340, 20420, 30630, 36756, 45945, 61260, 91890, 115373, 183780, 230746, 346119, 461492, 576865, 692238, 1038357, 1153730, 1384476, 1730595, 2076714, 2307460, 3461190, 4153428, 5191785, 6922380, 10383570, 20767140]

約数ペア:

[(1, 20767140), (2, 10383570), (3, 6922380), (4, 5191785), (5, 4153428), (6, 3461190), (9, 2307460), (10, 2076714), (12, 1730595), (15, 1384476), (18, 1153730), (20, 1038357), (30, 692238), (36, 576865), (45, 461492), (60, 346119), (90, 230746), (113, 183780), (180, 115373), (226, 91890), (339, 61260), (452, 45945), (565, 36756), (678, 30630), (1017, 20420), (1021, 20340), (1130, 18378), (1356, 15315), (1695, 12252), (2034, 10210), (2042, 10170), (2260, 9189), (3063, 6780), (3390, 6126), (4068, 5105), (4084, 5085)]