20687838

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{48563}}^1$

素因数の和:48639

約数の個数: 16

約数和(自身を含む): 41959296

約数和(自身を除く): 21271458

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 48563, 97126, 145689, 291378, 3447973, 6895946, 10343919, 20687838]

約数ペア:

[(1, 20687838), (2, 10343919), (3, 6895946), (6, 3447973), (71, 291378), (142, 145689), (213, 97126), (426, 48563)]