20761964

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{3023}}^1$

素因数の和:3145

約数の個数: 24

約数和(自身を含む): 38864448

約数和(自身を除く): 18102484

約数列:

[1, 2, 4, 17, 34, 68, 101, 202, 404, 1717, 3023, 3434, 6046, 6868, 12092, 51391, 102782, 205564, 305323, 610646, 1221292, 5190491, 10380982, 20761964]

約数ペア:

[(1, 20761964), (2, 10380982), (4, 5190491), (17, 1221292), (34, 610646), (68, 305323), (101, 205564), (202, 102782), (404, 51391), (1717, 12092), (3023, 6868), (3434, 6046)]