20146568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{631}}^1$

素因数の和:957

約数の個数: 32

約数和(自身を含む): 40877760

約数和(自身を除く): 20731192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 307, 614, 631, 1228, 1262, 2456, 2524, 3991, 5048, 7982, 8203, 15964, 16406, 31928, 32812, 65624, 193717, 387434, 774868, 1549736, 2518321, 5036642, 10073284, 20146568]

約数ペア:

[(1, 20146568), (2, 10073284), (4, 5036642), (8, 2518321), (13, 1549736), (26, 774868), (52, 387434), (104, 193717), (307, 65624), (614, 32812), (631, 31928), (1228, 16406), (1262, 15964), (2456, 8203), (2524, 7982), (3991, 5048)]