20334020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20749}}^1$

素因数の和:20772

約数の個数: 36

約数和(自身を含む): 49675500

約数和(自身を除く): 29341480

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20749, 41498, 82996, 103745, 145243, 207490, 290486, 414980, 580972, 726215, 1016701, 1452430, 2033402, 2904860, 4066804, 5083505, 10167010, 20334020]

約数ペア:

[(1, 20334020), (2, 10167010), (4, 5083505), (5, 4066804), (7, 2904860), (10, 2033402), (14, 1452430), (20, 1016701), (28, 726215), (35, 580972), (49, 414980), (70, 290486), (98, 207490), (140, 145243), (196, 103745), (245, 82996), (490, 41498), (980, 20749)]