20973902

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{6823}}^1$

素因数の和:6907

約数の個数: 16

約数和(自身を含む): 33164640

約数和(自身を除く): 12190738

約数列:

[1, 2, 29, 53, 58, 106, 1537, 3074, 6823, 13646, 197867, 361619, 395734, 723238, 10486951, 20973902]

約数ペア:

[(1, 20973902), (2, 10486951), (29, 723238), (53, 395734), (58, 361619), (106, 197867), (1537, 13646), (3074, 6823)]