20871960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173933}}^1$

素因数の和:173947

約数の個数: 32

約数和(自身を含む): 62616240

約数和(自身を除く): 41744280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173933, 347866, 521799, 695732, 869665, 1043598, 1391464, 1739330, 2087196, 2608995, 3478660, 4174392, 5217990, 6957320, 10435980, 20871960]

約数ペア:

[(1, 20871960), (2, 10435980), (3, 6957320), (4, 5217990), (5, 4174392), (6, 3478660), (8, 2608995), (10, 2087196), (12, 1739330), (15, 1391464), (20, 1043598), (24, 869665), (30, 695732), (40, 521799), (60, 347866), (120, 173933)]