20338260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{809}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 57153600

約数和(自身を除く): 36815340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 419, 809, 838, 1257, 1618, 1676, 2095, 2427, 2514, 3236, 4045, 4190, 4854, 5028, 6285, 8090, 8380, 9708, 12135, 12570, 16180, 24270, 25140, 48540, 338971, 677942, 1016913, 1355884, 1694855, 2033826, 3389710, 4067652, 5084565, 6779420, 10169130, 20338260]

約数ペア:

[(1, 20338260), (2, 10169130), (3, 6779420), (4, 5084565), (5, 4067652), (6, 3389710), (10, 2033826), (12, 1694855), (15, 1355884), (20, 1016913), (30, 677942), (60, 338971), (419, 48540), (809, 25140), (838, 24270), (1257, 16180), (1618, 12570), (1676, 12135), (2095, 9708), (2427, 8380), (2514, 8090), (3236, 6285), (4045, 5028), (4190, 4854)]