20654430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1487}}^1$

素因数の和:1960

約数の個数: 32

約数和(自身を含む): 49711104

約数和(自身を除く): 29056674

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 463, 926, 1389, 1487, 2315, 2778, 2974, 4461, 4630, 6945, 7435, 8922, 13890, 14870, 22305, 44610, 688481, 1376962, 2065443, 3442405, 4130886, 6884810, 10327215, 20654430]

約数ペア:

[(1, 20654430), (2, 10327215), (3, 6884810), (5, 4130886), (6, 3442405), (10, 2065443), (15, 1376962), (30, 688481), (463, 44610), (926, 22305), (1389, 14870), (1487, 13890), (2315, 8922), (2778, 7435), (2974, 6945), (4461, 4630)]