20406165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{461}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 35392896

約数和(自身を除く): 14986731

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 227, 461, 681, 1135, 1383, 2305, 2951, 3405, 5993, 6915, 8853, 14755, 17979, 29965, 44265, 89895, 104647, 313941, 523235, 1360411, 1569705, 4081233, 6802055, 20406165]

約数ペア:

[(1, 20406165), (3, 6802055), (5, 4081233), (13, 1569705), (15, 1360411), (39, 523235), (65, 313941), (195, 104647), (227, 89895), (461, 44265), (681, 29965), (1135, 17979), (1383, 14755), (2305, 8853), (2951, 6915), (3405, 5993)]