20357406

素因数分解:

$2^1\times 3^4\times {\mathrm{53}}^1\times {\mathrm{2371}}^1$

素因数の和:2438

約数の個数: 40

約数和(自身を含む): 46495944

約数和(自身を除く): 26138538

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 81, 106, 159, 162, 318, 477, 954, 1431, 2371, 2862, 4293, 4742, 7113, 8586, 14226, 21339, 42678, 64017, 125663, 128034, 192051, 251326, 376989, 384102, 753978, 1130967, 2261934, 3392901, 6785802, 10178703, 20357406]

約数ペア:

[(1, 20357406), (2, 10178703), (3, 6785802), (6, 3392901), (9, 2261934), (18, 1130967), (27, 753978), (53, 384102), (54, 376989), (81, 251326), (106, 192051), (159, 128034), (162, 125663), (318, 64017), (477, 42678), (954, 21339), (1431, 14226), (2371, 8586), (2862, 7113), (4293, 4742)]