20076405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{601}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 34328448

約数和(自身を除く): 14252043

約数列:

[1, 3, 5, 15, 17, 51, 85, 131, 255, 393, 601, 655, 1803, 1965, 2227, 3005, 6681, 9015, 10217, 11135, 30651, 33405, 51085, 78731, 153255, 236193, 393655, 1180965, 1338427, 4015281, 6692135, 20076405]

約数ペア:

[(1, 20076405), (3, 6692135), (5, 4015281), (15, 1338427), (17, 1180965), (51, 393655), (85, 236193), (131, 153255), (255, 78731), (393, 51085), (601, 33405), (655, 30651), (1803, 11135), (1965, 10217), (2227, 9015), (3005, 6681)]