20108872

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4919}}^1$

素因数の和:5005

約数の個数: 32

約数和(自身を含む): 43689600

約数和(自身を除く): 23580728

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 4919, 9838, 19676, 34433, 39352, 68866, 137732, 275464, 359087, 718174, 1436348, 2513609, 2872696, 5027218, 10054436, 20108872]

約数ペア:

[(1, 20108872), (2, 10054436), (4, 5027218), (7, 2872696), (8, 2513609), (14, 1436348), (28, 718174), (56, 359087), (73, 275464), (146, 137732), (292, 68866), (511, 39352), (584, 34433), (1022, 19676), (2044, 9838), (4088, 4919)]