20104143880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13583881}}^1$

素因数の和:13583929

約数の個数: 32

約数和(自身を含む): 46456876440

約数和(自身を除く): 26352732560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 13583881, 27167762, 54335524, 67919405, 108671048, 135838810, 271677620, 502603597, 543355240, 1005207194, 2010414388, 2513017985, 4020828776, 5026035970, 10052071940, 20104143880]

約数ペア:

[(1, 20104143880), (2, 10052071940), (4, 5026035970), (5, 4020828776), (8, 2513017985), (10, 2010414388), (20, 1005207194), (37, 543355240), (40, 502603597), (74, 271677620), (148, 135838810), (185, 108671048), (296, 67919405), (370, 54335524), (740, 27167762), (1480, 13583881)]