20671590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13001}}^1$

素因数の和:13064

約数の個数: 32

約数和(自身を含む): 50551776

約数和(自身を除く): 29880186

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1590, 13001, 26002, 39003, 65005, 78006, 130010, 195015, 390030, 689053, 1378106, 2067159, 3445265, 4134318, 6890530, 10335795, 20671590]

約数ペア:

[(1, 20671590), (2, 10335795), (3, 6890530), (5, 4134318), (6, 3445265), (10, 2067159), (15, 1378106), (30, 689053), (53, 390030), (106, 195015), (159, 130010), (265, 78006), (318, 65005), (530, 39003), (795, 26002), (1590, 13001)]