20818822076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2314231}}^1$

素因数の和:2314421

約数の個数: 24

約数和(自身を含む): 39462284064

約数和(自身を除く): 18643461988

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 4498, 8996, 2314231, 4628462, 9256924, 30085003, 60170006, 120340012, 400361963, 800723926, 1601447852, 5204705519, 10409411038, 20818822076]

約数ペア:

[(1, 20818822076), (2, 10409411038), (4, 5204705519), (13, 1601447852), (26, 800723926), (52, 400361963), (173, 120340012), (346, 60170006), (692, 30085003), (2249, 9256924), (4498, 4628462), (8996, 2314231)]