20786010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{98981}}^1$

素因数の和:98998

約数の個数: 32

約数和(自身を含む): 57013632

約数和(自身を除く): 36227622

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 98981, 197962, 296943, 494905, 593886, 692867, 989810, 1385734, 1484715, 2078601, 2969430, 3464335, 4157202, 6928670, 10393005, 20786010]

約数ペア:

[(1, 20786010), (2, 10393005), (3, 6928670), (5, 4157202), (6, 3464335), (7, 2969430), (10, 2078601), (14, 1484715), (15, 1385734), (21, 989810), (30, 692867), (35, 593886), (42, 494905), (70, 296943), (105, 197962), (210, 98981)]