20432828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20681}}^1$

素因数の和:20717

約数の個数: 24

約数和(自身を含む): 40536720

約数和(自身を除く): 20103892

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20681, 41362, 82724, 268853, 392939, 537706, 785878, 1075412, 1571756, 5108207, 10216414, 20432828]

約数ペア:

[(1, 20432828), (2, 10216414), (4, 5108207), (13, 1571756), (19, 1075412), (26, 785878), (38, 537706), (52, 392939), (76, 268853), (247, 82724), (494, 41362), (988, 20681)]