20926890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{433}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 56246400

約数和(自身を除く): 35319510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 179, 270, 358, 433, 537, 866, 895, 1074, 1299, 1611, 1790, 2165, 2598, 2685, 3222, 3897, 4330, 4833, 5370, 6495, 7794, 8055, 9666, 11691, 12990, 16110, 19485, 23382, 24165, 38970, 48330, 58455, 77507, 116910, 155014, 232521, 387535, 465042, 697563, 775070, 1162605, 1395126, 2092689, 2325210, 3487815, 4185378, 6975630, 10463445, 20926890]

約数ペア:

[(1, 20926890), (2, 10463445), (3, 6975630), (5, 4185378), (6, 3487815), (9, 2325210), (10, 2092689), (15, 1395126), (18, 1162605), (27, 775070), (30, 697563), (45, 465042), (54, 387535), (90, 232521), (135, 155014), (179, 116910), (270, 77507), (358, 58455), (433, 48330), (537, 38970), (866, 24165), (895, 23382), (1074, 19485), (1299, 16110), (1611, 12990), (1790, 11691), (2165, 9666), (2598, 8055), (2685, 7794), (3222, 6495), (3897, 5370), (4330, 4833)]