20818770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{99137}}^1$

素因数の和:99154

約数の個数: 32

約数和(自身を含む): 57103488

約数和(自身を除く): 36284718

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 99137, 198274, 297411, 495685, 594822, 693959, 991370, 1387918, 1487055, 2081877, 2974110, 3469795, 4163754, 6939590, 10409385, 20818770]

約数ペア:

[(1, 20818770), (2, 10409385), (3, 6939590), (5, 4163754), (6, 3469795), (7, 2974110), (10, 2081877), (14, 1487055), (15, 1387918), (21, 991370), (30, 693959), (35, 594822), (42, 495685), (70, 297411), (105, 198274), (210, 99137)]