20120740055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{189559}}^1$

素因数の和:189671

約数の個数: 32

約数和(自身を含む): 27515013120

約数和(自身を除く): 7394273065

約数列:

[1, 5, 13, 23, 65, 71, 115, 299, 355, 923, 1495, 1633, 4615, 8165, 21229, 106145, 189559, 947795, 2464267, 4359857, 12321335, 13458689, 21799285, 56678141, 67293445, 174962957, 283390705, 309549847, 874814785, 1547749235, 4024148011, 20120740055]

約数ペア:

[(1, 20120740055), (5, 4024148011), (13, 1547749235), (23, 874814785), (65, 309549847), (71, 283390705), (115, 174962957), (299, 67293445), (355, 56678141), (923, 21799285), (1495, 13458689), (1633, 12321335), (4615, 4359857), (8165, 2464267), (21229, 947795), (106145, 189559)]