20565195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2683}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 38134272

約数和(自身を除く): 17569077

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 365, 511, 1095, 1533, 2555, 2683, 7665, 8049, 13415, 18781, 40245, 56343, 93905, 195859, 281715, 587577, 979295, 1371013, 2937885, 4113039, 6855065, 20565195]

約数ペア:

[(1, 20565195), (3, 6855065), (5, 4113039), (7, 2937885), (15, 1371013), (21, 979295), (35, 587577), (73, 281715), (105, 195859), (219, 93905), (365, 56343), (511, 40245), (1095, 18781), (1533, 13415), (2555, 8049), (2683, 7665)]