20818920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173491}}^1$

素因数の和:173505

約数の個数: 32

約数和(自身を含む): 62457120

約数和(自身を除く): 41638200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173491, 346982, 520473, 693964, 867455, 1040946, 1387928, 1734910, 2081892, 2602365, 3469820, 4163784, 5204730, 6939640, 10409460, 20818920]

約数ペア:

[(1, 20818920), (2, 10409460), (3, 6939640), (4, 5204730), (5, 4163784), (6, 3469820), (8, 2602365), (10, 2081892), (12, 1734910), (15, 1387928), (20, 1040946), (24, 867455), (30, 693964), (40, 520473), (60, 346982), (120, 173491)]