20857410

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33107}}^1$

素因数の和:33127

約数の個数: 48

約数和(自身を含む): 61978176

約数和(自身を除く): 41120766

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33107, 66214, 99321, 165535, 198642, 231749, 297963, 331070, 463498, 496605, 595926, 695247, 993210, 1158745, 1390494, 1489815, 2085741, 2317490, 2979630, 3476235, 4171482, 6952470, 10428705, 20857410]

約数ペア:

[(1, 20857410), (2, 10428705), (3, 6952470), (5, 4171482), (6, 3476235), (7, 2979630), (9, 2317490), (10, 2085741), (14, 1489815), (15, 1390494), (18, 1158745), (21, 993210), (30, 695247), (35, 595926), (42, 496605), (45, 463498), (63, 331070), (70, 297963), (90, 231749), (105, 198642), (126, 165535), (210, 99321), (315, 66214), (630, 33107)]