11818020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{457}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 33239808

約数和(自身を除く): 21421788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 431, 457, 862, 914, 1293, 1371, 1724, 1828, 2155, 2285, 2586, 2742, 4310, 4570, 5172, 5484, 6465, 6855, 8620, 9140, 12930, 13710, 25860, 27420, 196967, 393934, 590901, 787868, 984835, 1181802, 1969670, 2363604, 2954505, 3939340, 5909010, 11818020]

約数ペア:

[(1, 11818020), (2, 5909010), (3, 3939340), (4, 2954505), (5, 2363604), (6, 1969670), (10, 1181802), (12, 984835), (15, 787868), (20, 590901), (30, 393934), (60, 196967), (431, 27420), (457, 25860), (862, 13710), (914, 12930), (1293, 9140), (1371, 8620), (1724, 6855), (1828, 6465), (2155, 5484), (2285, 5172), (2586, 4570), (2742, 4310)]